The Armor,supplemental,small Arms-Fr, cataloged under National Stock Number 2540-01-666-0511, is classified within Federal Supply Class 2540 (Vehicular Furniture and Accessories) of the Vehicular Equipment Components group. The manufacturer of record is Amz Alabama Inc.. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | Armor,supplemental,small Arms-Fr |
| FSC / FSG | 2540 — Vehicular Furniture and Accessories (FSG 25) |
| Manufacturers | Amz Alabama Inc. (CAGE 076M6) |
| Parameter | Value |
|---|---|
| NSN | 2540-01-666-0511 |
| Primary Part Number | 6444409-01M1 |
| Item Name | Armor,supplemental,small Arms-Fr |
| FSC / FSG | 2540 / 25 — Vehicular Furniture and Accessories |
| Manufacturer | Amz Alabama Inc. |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 6444409-01M1 PRIMARY | Amz Alabama Inc. (USA) |
| Reference | Meaning |
|---|---|
| 6444409 | D/9 Drawing number reference only Bae Systems Survivability Systems Llc |
| 6444409-01M1 | 3/9 Design control — primary reference Bae Systems Survivability Systems Llc |
NSN 2540-01-666-0511 is a Armor,supplemental,small Arms-Fr, manufactured by Amz Alabama Inc., classified under FSC 2540, Vehicular Furniture and Accessories. Status: active.
NSN 2540-01-666-0511 has 1 manufacturer part number on file: 6444409-01M1 (Amz Alabama Inc.).
1 possible match (shared part number, not a government interchangeability claim): 2540-01-666-0513. 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.
NSN 2540-01-666-0511 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.
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.