The Chain Assembly,tire, cataloged under National Stock Number 2540-00-054-0045, is classified within Federal Supply Class 2540 (Vehicular Furniture and Accessories) of the Vehicular Equipment Components group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 16 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. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2540-00-054-0045 |
| Primary Part Number | 540045 |
| Item Name | Chain Assembly,tire |
| FSC / FSG | 2540 / 25 — Vehicular Furniture and Accessories |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Usage Design | SINGLE TIRE |
| Tire Size Accommodated | 7.50-16 |
| Outer Side Chain Length | 75.500 INCHES MINIMUM AND 78.500 INCHES MAXIMUM IN |
| Design Type | TWO SIDE |
| Cross Chain Casehardening Indicator | CASEHARDENED |
| Cross Chain Link Quantity | 10 |
| Cross Chain Type | REGULAR TWIST |
| Side Chain Wire Size | 0.189 INCHES MINIMUM AND 0.195 INCHES MAXIMUM IN |
| Nondefinitive Spec/std Data | P TYPE |
| Cross Chain Length | 13.155 INCHES MINIMUM AND 13.655 INCHES MAXIMUM IN |
| Cross Chain Link Wire Size | 0.222 INCHES MINIMUM AND 0.228 INCHES MAXIMUM IN |
| Outer Side Chain Link Quantity | 58 |
| Cross Chain Quantity | 14 |
| Material | STEEL SIDE CHAIN |
| Material | STEEL CROSS CHAIN |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 540045 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 2540-00-054-0045 is a Chain Assembly,tire, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 2540, Vehicular Furniture and Accessories. Status: active.
NSN 2540-00-054-0045 has 1 manufacturer part number on file: 540045 (U S Army Tank Automotive Command Amsta-Im-Mm).
2 possible matches (shared part number, not a government interchangeability claim): 2590-01-286-5767, 5360-01-399-5052. Verify interchangeability with system specifications before substitution.
Key specifications for 540045: Usage Design: SINGLE TIRE; Tire Size Accommodated: 7.50-16; Outer Side Chain Length: 75.500 INCHES MINIMUM AND 78.500 INCHES MAXIMUM IN; Design Type: TWO SIDE. 16 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.