PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

33305Chock,wheel-Track

L3harris Technologies, Inc Div Space & Airborne Systems · NSN 2540-00-288-2873 · FSC 2540 · No Item Name Available
Verified by PartsTable
NSN 2540-00-288-2873 — this item is cataloged by the U.S. Government under National Stock Number 2540-00-288-2873. Primary manufacturer part number: 33305.
Features
  • Chock,wheel-Track — FSC 2540
  • Construction Method: 1 CASTING
  • Length: 9.438 INCHES NOMINAL IN
  • Width: 8.000 INCHES NOMINAL IN
  • Material: ALUMINUM LOCATION NOT OTHERWISE SPECIFIED
  • Design Type: FIXED
  • Height: 5.750 INCHES NOMINAL IN
  • 6 verified cross-references
Applications
  • Applications requiring Aluminum Location Not Otherwise Specified construction
General Description

The Chock,wheel-Track, cataloged under National Stock Number 2540-00-288-2873, is classified within Federal Supply Class 2540 (No Item Name Available) of the Vehicular Equipment Components group. The primary manufacturer of record is L3harris Technologies, Inc Div Space & Airborne Systems. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN2540-00-288-2873
Primary Part Number33305
Item NameChock,wheel-Track
FSC / FSG2540 / 25 — No Item Name Available
ManufacturerL3harris Technologies, Inc Div Space & Airborne Systems
StatusCANCELLED
Construction Method1 CASTING
Length9.438 INCHES NOMINAL IN
Width8.000 INCHES NOMINAL IN
MaterialALUMINUM LOCATION NOT OTHERWISE SPECIFIED
Design TypeFIXED
Height5.750 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Unit of IssueEA
Verified Substitutes 12
5340-00-034-79528022694 INTERCHANGEABLE
Cap,protective,dust and Moisture
Us Army Aviation and Missile Command
5305-00-206-557333305 INTERCHANGEABLE
Screw,externally Relieved Body
Johnson Controls, Inc Div Building Efficiency
5340-00-223-1303A1145H INTERCHANGEABLE
Key Blank
Ilco Unican Corp Dba Wolf Sales
5120-00-242-7411 INTERCHANGEABLE
Key,socket Head Screw
5935-00-624-011133305 INTERCHANGEABLE
Socket,plug-in Electronic Compon
Beta Labs Inc a-B and Millen Mfg Div
5961-01-027-1685152-0353-00 INTERCHANGEABLE
Semiconductor Device,diode
Tektronix, Inc.
3920-01-054-1813MFB 2080 INTERCHANGEABLE
Trailer,platform,warehouse
Clyde Machines Inc
5920-01-119-8382SC8 INTERCHANGEABLE
Fuse,cartridge
Cooper Bussmann, Llc Dba Cooper Industries
2915-01-122-7868722126A INTERCHANGEABLE
Bellows Assembly
Hamilton Sundstrand Corporation
5995-01-150-309717461 INTERCHANGEABLE
Cord Assembly,electrical
Quail Electronics, Inc. Dba Quail Electronics Inc
Cross-Reference Index
Part NumberManufacturer
33305 L3harris Technologies, Inc Div Space & Airborne Systems (USA)
N1T-MODELHWC Echelon Supply and Service, Inc. (USA)
SC-8 Pawling Corporation Dba Pawling Corp Div Architectural Products (USA)
SC-8-0-0 Pawling Corporation Dba Pawling Corp Div Architectural Products (USA)
AL-200 Kedco Products Co (USA)
MODELHWC Aldon Company Inc (USA)
Related Parts
5340-00-034-7952INTERCHANGEABLE
CAP,PROTECTIVE,DUST AND MOISTURE
8022694
5305-00-206-5573INTERCHANGEABLE
SCREW,EXTERNALLY RELIEVED BODY
33305
5340-00-223-1303INTERCHANGEABLE
KEY BLANK
A1145H
5120-00-242-7411INTERCHANGEABLE
KEY,SOCKET HEAD SCREW
5935-00-624-0111INTERCHANGEABLE
SOCKET,PLUG-IN ELECTRONIC COMPON
33305
5961-01-027-1685INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
152-0353-00
3920-01-054-1813INTERCHANGEABLE
TRAILER,PLATFORM,WAREHOUSE
MFB 2080
5920-01-119-8382INTERCHANGEABLE
FUSE,CARTRIDGE
SC8
2915-01-122-7868INTERCHANGEABLE
BELLOWS ASSEMBLY
722126A
5995-01-150-3097INTERCHANGEABLE
CORD ASSEMBLY,ELECTRICAL
17461
6240-01-345-2240INTERCHANGEABLE
LAMP,INCANDESCENT
90PAR38/CAP/SP/130V
5962-01-425-3247INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
061928

Frequently Asked Questions

What is NSN 2540-00-288-2873?

NSN 2540-00-288-2873 is a Chock,wheel-Track, manufactured by L3harris Technologies, Inc Div Space & Airborne Systems, classified under FSC 2540 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2540-00-288-2873?

NSN 2540-00-288-2873 has 6 cross-referenced part numbers: 33305 (L3harris Technologies, Inc Div Space & Airborne Systems), N1T-MODELHWC (Echelon Supply and Service, Inc.), SC-8 (Pawling Corporation Dba Pawling Corp Div Architectural Products), SC-8-0-0 (Pawling Corporation Dba Pawling Corp Div Architectural Products), AL-200 (Kedco Products Co) and 1 more.

What NSN replaces 2540-00-288-2873?

There are 12 known substitutes for 2540-00-288-2873: 5340-00-034-7952, 5305-00-206-5573, 5340-00-223-1303 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 33305?

Key specifications for 33305: Construction Method: 1 CASTING; Length: 9.438 INCHES NOMINAL IN; Width: 8.000 INCHES NOMINAL IN; Material: ALUMINUM LOCATION NOT OTHERWISE SPECIFIED. 6 total characteristics are documented in the Federal Logistics Information System.

Is NSN 2540-00-288-2873 still in active supply?

NSN 2540-00-288-2873 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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