The Chock,wheel-Track, cataloged under National Stock Number 2540-01-499-5553, is classified within Federal Supply Class 2540 (Vehicular Furniture and Accessories) of the Vehicular Equipment Components group. The manufacturer of record is Am-Mac Incorporated. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Item Name | Chock,wheel-Track |
| FSC / FSG | 2540 — Vehicular Furniture and Accessories (FSG 25) |
| Manufacturers | Am-Mac Incorporated (CAGE 0VW10); Harris Welding and Machine Company (CAGE 7A8G4) |
| Parameter | Value |
|---|---|
| NSN | 2540-01-499-5553 |
| Primary Part Number | 07758014 |
| Item Name | Chock,wheel-Track |
| FSC / FSG | 2540 / 25 — Vehicular Furniture and Accessories |
| Manufacturer | Am-Mac Incorporated |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 07758014 PRIMARY | Am-Mac Incorporated (USA) |
| HWWC | Harris Welding and Machine Company (USA) |
| Reference | Meaning |
|---|---|
| 07758014 | 5/9 Secondary reference Fontaine Commercial Trailer, Inc. Dba Mht Floor Technologies (3dgr3) |
| 07758014 | 5/9 Secondary reference Fontaine Trailer Company Dba Fontaine Partsource |
| 07758014 | 3/9 Design control — primary reference Fontaine Fifth Wheel Company |
NSN 2540-01-499-5553 is a Chock,wheel-Track, manufactured by Am-Mac Incorporated, classified under FSC 2540, Vehicular Furniture and Accessories. Status: active.
NSN 2540-01-499-5553 has 2 manufacturer part numbers on file: 07758014 (Am-Mac Incorporated), HWWC (Harris Welding and Machine Company).
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.