The Armor,supplemental,small Arms-Fr, cataloged under National Stock Number 2540-01-552-9558, is classified within Federal Supply Class 2540 (Vehicular Furniture and Accessories) of the Vehicular Equipment Components group. The manufacturer of record is Bae Systems Land & Armaments L.p.. The record lists 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 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 | Caterpillar Inc Div Caterpillar Defense (CAGE 11083); Amz Alabama Inc. (CAGE 076M6); Bae Systems Land & Armaments L.p. (CAGE 54786) |
| Parameter | Value |
|---|---|
| NSN | 2540-01-552-9558 |
| Primary Part Number | 284-4603 |
| Item Name | Armor,supplemental,small Arms-Fr |
| FSC / FSG | 2540 / 25 — Vehicular Furniture and Accessories |
| Manufacturer | Bae Systems Land & Armaments L.p. |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 284-4603 | Caterpillar Inc Div Caterpillar Defense (USA) |
| 284-4603 | Amz Alabama Inc. (USA) |
| 284-4603 PRIMARY | Bae Systems Land & Armaments L.p. (USA) |
| Reference | Meaning |
|---|---|
| 284-4603 | 3/9 Design control — primary reference Bae Systems Survivability Systems Llc |
NSN 2540-01-552-9558 is a Armor,supplemental,small Arms-Fr, manufactured by Bae Systems Land & Armaments L.p., classified under FSC 2540, Vehicular Furniture and Accessories. Status: active.
NSN 2540-01-552-9558 has 3 manufacturer part numbers on file: 284-4603 (Caterpillar Inc Div Caterpillar Defense), 284-4603 (Amz Alabama Inc.), 284-4603 (Bae Systems Land & Armaments L.p.).
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 2540-01-552-9558 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.