What is the difference between the LCN 1450 and LCN 1450T?

The LCN 1450 uses a conventional arm-and-shoe system where the arm swings freely and the shoe engages the door frame. The LCN 1450T uses a track arm system where a roller travels inside a channel track mounted on the door. These two configurations use different arms and different track or shoe hardware. Parts do not interchange between them.

What arm types are available for the LCN 1450?

Six arm types are available: regular arm (1450-3077/62A), extra duty arm (1450-3077EDA), spring cushion arm (1450-3077CNS), spring cushion with spring (1450-3077SCNS), PA parallel arm (1450-3077PA), and long arm (1450-3077L). Hold-open versions use 3049 in place of 3077. For the 1450T, the arm is always the 1450T-3077T standard arm; the variable is the track assembly selection.

Is the LCN 1450 PA shoe handed?

Yes. The 62PA parallel arm shoe is handed and must be specified as Left or Right when ordering. The standard 62A auxiliary shoe used on regular, EDA, and long arm configurations is not handed and fits either side.

What track options are available for the LCN 1450T?

Four track options: 1450T-3038 standard track, 1450T-3038H track with hold-open, 1450T-3038B track with bumper, and 1450T-3038HB track with hold-open and bumper. The 1450T-3038 standard track and the 1450T-3038H hold-open track are the most commonly replaced variants.

Can the spring cush block (3080) be replaced without replacing the full arm?

Yes. The 1450-3080 spring cush block is a replaceable component within the CUSH arm assembly. Replacing it restores the spring cushion function without requiring full arm replacement, reducing repair cost on high-cycle openings.

What does the LCN 1450-3071DEL delay action cylinder do?

The 1450-3071DEL delay action cylinder holds the door at its maximum swing position for a set interval before the closer begins pulling the door shut. It is specified for high-traffic applications including loading docks, accessible entrances, and healthcare corridors. The delay interval is field-adjustable and the 3071DEL replaces the standard 3071 cylinder directly with no other hardware changes.

What cover options are available for the LCN 1450?

Four cover options: 1450-72 standard slim cover, 1450-72FC full plastic cover, 1450-72MC full metal cover (heaviest-duty), and 1450-72ALT alternate cover. The 1450-72 standard slim cover fits most commercial applications. The 72MC is recommended for institutional and high-abuse environments.

LCN 1450 Door Closer Parts Guide|Security Parts

Quick Answer

The LCN 1450 is a parallel arm surface door closer available in two configurations: the standard 1450 (arm-and-shoe system) and the 1450T (track arm system). Replacement parts are not interchangeable between the two. Here is what to know before ordering:

1450 arms: Six types: regular (3077/62A), EDA extra duty (3077EDA), spring cushion (3077CNS/3077SCNS), PA parallel arm (3077PA), and long arm (3077L). Hold-open variants use 3049 in place of 3077.
1450T tracks: Four options: 3038 standard, 3038H hold-open, 3038B bumper, 3038HB both. Track roller (3034H) and hold-open clip (3054) are the highest-wear components.
PA shoe (62PA) is handed : specify Left or Right when ordering. (Remove em dash replacement below) specify Left or Right when ordering. The 62A auxiliary shoe is not handed.
Spring cush block (3080) is replaceable without replacing the full arm.
Cylinders: 3071 standard, 3071DEL delay action.

Security Parts carries the complete LCN 1450 parts catalog with same-day shipping on stocked items. Call 845-935-0301 for pre-order part identification support. Browse the full LCN parts catalog or navigate directly to the LCN 1450 model page.

What the LCN 1450 Is and Where It Is Installed

LCN 1450 parallel arm door closer. View model page and parts diagrams.

The LCN 1450 is a parallel arm surface door closer designed for applications where a standard arm swing would create a clearance problem. On a standard door closer, the arm sweeps outward as the door opens. On an aluminum storefront, a narrow corridor, or a door swinging into a stairwell, that arm arc can strike a wall, trim, or obstruction. The parallel arm geometry on the 1450 keeps the arm close to the door face throughout the swing, eliminating the clearance issue.

The 1450T variant uses a track arm system instead of a conventional arm-and-shoe setup. The track arm's roller travels inside a channel mounted on the door face, providing a smooth, linear closing force that many specifiers prefer on high-cycle aluminum storefront doors. The 1450 and 1450T share the same closer body but use entirely different arm and track hardware. Parts do not interchange between the two configurations.

For a broader reference on LCN door closer selection by application, see the LCN commercial door closer selection guide and the commercial door closers types guide. For sizing requirements, see the LCN door closer sizing guide.

LCN 1450 Arm System: All Types Explained

The arm system is the most frequently replaced component group on the LCN 1450. Arm selection determines the mounting geometry, the closing force distribution, and whether hold-open function is included. Every arm type is available in a standard (non-hold-open) version and a hold-open version.

The part number convention is straightforward: 3077 = standard arm (no hold-open), 3049 = hold-open arm. Add the arm type suffix and the result is the complete arm part number.

Regular Arm: 1450-307762A and 1450-304962A

The regular arm is the baseline configuration for the 1450 when the application requires a parallel arm geometry without any special closing characteristics. It pairs with the 62A auxiliary shoe. The 62A shoe is not handed and fits either side of the installation. The hold-open version is designated 1450-304962A.

LCN 1450-3077EDA extra duty arm. View product page and order.

Extra Duty Arm: 1450-3077EDA and 1450-3049EDA

The EDA (extra duty arm) is a heavier-gauge arm specified for high-cycle openings, institutional applications, or any door that receives heavier-than-normal traffic. It uses the same 62A shoe as the regular arm but is built to a higher structural tolerance. On openings where regular arms are showing premature wear or bending, the EDA is the correct replacement choice. The hold-open EDA is the 1450-3049EDA.

EDA versions with the 62G shoe are also available: 1450-3077EDAG and 1450-3049EDAG.

Spring Cushion Arm: 1450-3077CNS, 1450-3077SCNS, and Hold-Open Variants

The spring cushion arm incorporates a spring cush block (3080) within the arm assembly. The spring cushion function absorbs the initial closing force, providing a gentler door pull at the beginning of the closing cycle. This is specified on doors where a hard initial pull is a problem, such as glass doors where rapid closing can cause frame stress or where ADA opening force requirements are being approached.

The 3077CNS is the standard spring cushion arm. The 3077SCNS adds a spring within the cush block for a stronger cushion effect. Hold-open versions are the 1450-3049CNS and 1450-3049SCNS respectively.

The spring cush block (1450-3080) is a replaceable component. If the cushion function has degraded but the arm structure is intact, replacing the 3080 block restores the spring cushion without requiring a full arm replacement.

PA Parallel Arm: 1450-3077PA and 1450-3049PA

The PA arm pairs with the 62PA parallel arm shoe rather than the standard 62A auxiliary shoe. The 62PA shoe is handed and must be specified as Left or Right when ordering. Confirm the handing of the existing installation before placing the order: Left is correct when the hinge is on the left side facing the pull side of the door, Right when the hinge is on the right side.

The hold-open version is the 1450-3049PA. Browse the 1450-3077PA parallel arm with 62PA shoe on the product page.

Long Arm: 1450-3077L and 1450-3049L

The long arm provides additional reach where the standard arm geometry does not produce the correct geometry relative to the door width and frame dimensions. It uses the 62A shoe and follows the same hold-open designation pattern: 1450-3049L for the hold-open version.

LCN 1450T Track System: Tracks, Rollers, and Clips

LCN 1450T-3038 standard track. View product page and order.

The 1450T track system uses a single arm type (the 1450T-3077T standard arm) paired with a track assembly selected to match the required closing function. The track roller and hold-open clip are the components most subject to wear on high-cycle 1450T installations.

Track Variants: Standard, Hold-Open, Bumper, and Combined

Part Number	Track Type	Hold-Open	Bumper	Primary Application
1450T-3038	Standard	No	No	Standard commercial, no hold-open needed
1450T-3038H	Hold-open	Yes	No	Openings requiring door to hold at 80-110 degrees
1450T-3038B	Bumper	No	Yes	Protects wall or stop at full swing position
1450T-3038HB	Hold-open + bumper	Yes	Yes	High-traffic, hold-open with wall protection

Wear Components: Track Roller and Hold-Open Clip

On high-cycle 1450T installations, the track roller (1450T-3034H) and hold-open clip (1450T-3054) are the first components to show wear. The track roller develops flat spots after extended cycling. The hold-open clip loses tension and fails to hold the door at the correct position. Both are replaceable without removing the closer body from the door. These components should be inspected during any scheduled maintenance visit on a 1450T installation. For a full maintenance schedule reference, see the commercial door hardware maintenance checklist.

LCN 1450 Cylinder Assemblies

LCN 1450-3071 cylinder assembly. View product page and order.

Two cylinder assemblies are available for the LCN 1450 and 1450T series.

Standard Cylinder: 1450-3071 and 1450T-3071

The 1450-3071 is the standard cylinder assembly for the 1450 closer body. The 1450T-3071 is the corresponding standard cylinder for the 1450T track arm variant. Both provide conventional spring-tension closing without any delayed action function. The 1450-3071 cylinder assembly is available with same-day shipping when stocked.

Delay Action Cylinder: 1450-3071DEL

The delay action cylinder holds the door at its fully open position for an adjustable interval before the closer spring begins pulling the door shut. It is specified on high-traffic openings where users need time to pass through without manually holding the door.

Common applications include loading dock entries, accessible entrances where users need extra time to clear the doorway, and healthcare corridor doors where staff frequently pass through carrying equipment. The delay interval is field-adjustable.

The 3071DEL replaces the standard 3071 cylinder directly. No other hardware changes are required when upgrading from a standard cylinder to a delay action cylinder.

Covers, Mounting Plates, and Accessory Components

Cover Options for the LCN 1450

Four cover options are available:

Part Number	Cover Type	Best For
1450-72	Standard slim cover	Most commercial applications, clean profile
1450-72FC	Full plastic cover	Moderate-duty protection, economy option
1450-72MC	Full metal cover	Institutional, high-abuse, heavy-duty applications
1450-72ALT	Alternate cover	Non-standard profile or replacement fit requirements

Mounting Plates

The mounting plate connects the closer body to the door face. Four mounting plate options are available:

1450-18: Standard mounting plate, most common configuration.
1450-18FC: Standard mounting plate for use with full cover installation.
1450-18PA: PA mounting plate for parallel arm installations.
1450-18PAFC: PA mounting plate configured for use with the full cover.

Select the mounting plate that matches both the arm configuration (standard vs PA) and whether a full cover is being installed. The cover type determines which plate variant applies.

Additional Accessory Parts

Several additional components are stocked for the LCN 1450 series:

1450-3080 spring cush block: Replacement cush block within the CUSH arm assembly. Replaceable without full arm disassembly. The spring cush block is the correct first replacement on any CUSH arm showing degraded cushion performance before the full arm is condemned.
1450-146 pinion cap: Cap at the pinion end of the closer body. Replace if cracked, missing, or showing fluid seepage around the pinion end.
1450-30 cush shoe support: Support component within the spring cushion arm assembly. Inspect when the CUSH arm shows lateral instability.
1450-61 blade stop spacer: Spacer component for blade stop configurations. Required for correct stop positioning on blade stop mount applications.
1450-419 flush panel adapter: Adapter for flush panel mounting applications where the door surface does not accommodate standard mounting geometry.
1450-31 cover screw: Replacement cover mounting screw. Rebox kits (1450-Rebox-Kit and 1450T-Rebox-Kit) include replacement boxes and instruction sheets for models that have lost their original documentation.

How to Identify the Right LCN 1450 Part

The fastest identification path starts with the model label on the closer body, which confirms whether the closer is a 1450 or 1450T. From there, the arm or track currently installed determines which replacement parts apply.

Confirm 1450 vs 1450T. Check the model label on the body. If a track channel is present on the door face and the arm runs into it, the closer is a 1450T. If a conventional arm connects to a shoe on the door frame, it is a standard 1450.
Identify the arm type. On the 1450: look at the arm geometry and any markings on the arm body. The EDA arm has a heavier cross-section than the regular arm. The CUSH arm has a visible spring block at the body connection point. The PA arm attaches directly to the door face without a frame shoe. On the 1450T, the arm type is always 1450T-3077T; the variable is the track assembly.
Check the shoe. If a 62A shoe is installed, the arm is a regular, EDA, or long arm. If a 62PA shoe is installed, the arm is a PA configuration. Note the handing before ordering the 62PA.
Match the track (1450T only). Inspect the track channel. A notch or detent near the open position indicates a hold-open track (3038H or 3038HB). A bumper pad at the end of the channel indicates a bumper track (3038B or 3038HB). No notch or bumper: standard 3038 track.
Order by part number. Use the component number from the LCN 1450 model page parts diagram to confirm the exact part number before ordering.

For help interpreting parts diagrams, see the door closer parts diagram guide. For questions about whether a component is OEM or aftermarket compatible, see the OEM vs aftermarket guide.

Source LCN 1450 Door Closer Parts at Security Parts

Security Parts carries the complete LCN 1450 parts catalog, including all arm types, the full 1450T track system, cylinders, covers, mounting plates, and accessory components. Browse the door closers parts catalog or navigate directly to the LCN 1450 model page for interactive parts diagrams organized by component.

For coverage of the full LCN door closer parts catalog across all series:

For installation and adjustment references, see the how to install a commercial door closer guide and the how to adjust a commercial door closer guide. For fire door compliance requirements relevant to closer selection, see the commercial door fire rating guide. For ANSI/BHMA grade requirements, see the ANSI/BHMA door hardware standards guide.

Same-day shipping is available on stocked components. Pre-order part identification support is available at 845-935-0301. For repair and replacement guidance beyond parts identification, see the commercial door hardware replacement and repair guide.

About the Author

This guide was written by the Security Parts team, a commercial door hardware specialist serving locksmiths, facilities managers, general contractors, and access control integrators since 2001. Security Parts carries the complete LCN 1450 door closer parts catalog across all arm, track, cylinder, and cover configurations, with same-day shipping on stocked components and pre-order part identification support at 845-935-0301.