The Tread,metallic,nonskid, cataloged under National Stock Number 2540-01-502-9566, is classified within Federal Supply Class 2540 (Vehicular Furniture and Accessories) of the Vehicular Equipment Components group. The manufacturer of record is Heil Trailer International, Llc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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: EA.
| Item Name | Tread,metallic,nonskid |
| FSC / FSG | 2540 — Vehicular Furniture and Accessories (FSG 25) |
| Manufacturers | Heil Trailer International, Llc (CAGE 1R5C8) |
| Parameter | Value |
|---|---|
| NSN | 2540-01-502-9566 |
| Primary Part Number | M121-2628 |
| Item Name | Tread,metallic,nonskid |
| FSC / FSG | 2540 / 25 — Vehicular Furniture and Accessories |
| Manufacturer | Heil Trailer International, Llc |
| Status | ACTIVE |
| 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 | EA |
| Part Number | Manufacturer |
|---|---|
| M121-2628 PRIMARY | Heil Trailer International, Llc (USA) |
| M121-2620 INDEX 5 | Heil Trailer International, Llc (USA) |
| Reference | Meaning |
|---|---|
| M121-2620 | D/9 Drawing number reference only Heil Trailer International, Llc |
NSN 2540-01-502-9566 is a Tread,metallic,nonskid, manufactured by Heil Trailer International, Llc, classified under FSC 2540, Vehicular Furniture and Accessories. Status: active.
NSN 2540-01-502-9566 has 2 manufacturer part numbers on file: M121-2628 (Heil Trailer International, Llc), M121-2620 INDEX 5 (Heil Trailer International, Llc).
3 possible matches (shared part number, not a government interchangeability claim): 2590-01-502-9569, 2541-01-502-9575, 2541-01-502-9576. Verify interchangeability with system specifications before substitution.
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.