The Chain Assembly,tire, cataloged under National Stock Number 2540-00-933-6922, is classified within Federal Supply Class 2540 (Vehicular Furniture and Accessories) of the Vehicular Equipment Components group. The manufacturer of record is Federal Commercial Item Description Promulgated by General Services Administration Washington DC. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 11 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: PR.
| Parameter | Value |
|---|---|
| NSN | 2540-00-933-6922 |
| Primary Part Number | A52507-2255 |
| Item Name | Chain Assembly,tire |
| FSC / FSG | 2540 / 25 — Vehicular Furniture and Accessories |
| Manufacturer | Federal Commercial Item Description Promulgated by General Services Administration Washington DC |
| Status | ACTIVE |
| Usage Design | SINGLE TIRE |
| Tire Size Accommodated | 12.00-20 |
| Outer Side Chain Length | 121.562 INCHES NOMINAL IN |
| Design Type | TWO SIDE |
| Cross Chain Casehardening Indicator | CASEHARDENED |
| Cross Chain Link Quantity | 13 |
| Cross Chain Type | REGULAR TWIST |
| Accessory Type | CHAIN AND STRAP |
| Side Chain Wire Size | 0.314 INCHES NOMINAL IN |
| Cross Chain Length | 19.625 INCHES NOMINAL IN |
| Cross Chain Link Wire Size | 0.344 INCHES NOMINAL IN |
| Outer Side Chain Link Quantity | 59 |
| Cross Chain Quantity | 14 |
| Material | STEEL SIDE CHAIN |
| Material | STEEL CROSS CHAIN |
| Item Type Category | ACCESSORY |
| Cross Chain Spacing | EVERY 4 LINKS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Unit of Issue | PR |
| Part Number | Manufacturer |
|---|---|
| A52507-2255 | Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA) |
| Reference | Meaning |
|---|---|
| A-A-52507 | 4/1 Identification reference Federal Commercial Item Description Promulgated by General Services Administration Washington DC |
| A-A-52507-2255 | 5/9 Secondary reference Federal Commercial Item Description Promulgated by General Services Administration Washington DC |
| MS500055-24 | 5/9 Secondary reference U.S. Government activity |
NSN 2540-00-933-6922 is a Chain Assembly,tire, manufactured by Federal Commercial Item Description Promulgated by General Services Administration Washington DC, classified under FSC 2540, Vehicular Furniture and Accessories. Status: active.
NSN 2540-00-933-6922 has 1 manufacturer part number on file: A52507-2255 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC).
11 possible matches (shared part number, not a government interchangeability claim): 2540-00-933-6925, 2540-00-933-6933, 2540-00-933-6992. Verify interchangeability with system specifications before substitution.
Key specifications for A52507-2255: Usage Design: SINGLE TIRE; Tire Size Accommodated: 12.00-20; Outer Side Chain Length: 121.562 INCHES NOMINAL IN; Design Type: TWO SIDE. 17 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.