The Armor Set,supplemental,small Arm, cataloged under National Stock Number 2540-01-543-8440, is classified within Federal Supply Class 2540 (Vehicular Furniture and Accessories) of the Vehicular Equipment Components group. The manufacturer of record is Sierracinsylmar Corporation. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 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 Set,supplemental,small Arm |
| FSC / FSG | 2540 — Vehicular Furniture and Accessories (FSG 25) |
| Manufacturers | Sierracinsylmar Corporation (CAGE 71355); Armorworks Enterprises Inc (CAGE 3KHA7) |
| Parameter | Value |
|---|---|
| NSN | 2540-01-543-8440 |
| Primary Part Number | 328020 |
| Item Name | Armor Set,supplemental,small Arm |
| FSC / FSG | 2540 / 25 — Vehicular Furniture and Accessories |
| Manufacturer | Sierracinsylmar Corporation |
| 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 |
|---|---|
| 328020 PRIMARY | Sierracinsylmar Corporation (USA) |
| 110-170205-001 PRIMARY | Armorworks Enterprises Inc (USA) |
NSN 2540-01-543-8440 is a Armor Set,supplemental,small Arm, manufactured by Sierracinsylmar Corporation, classified under FSC 2540, Vehicular Furniture and Accessories. Status: active.
NSN 2540-01-543-8440 has 2 manufacturer part numbers on file: 328020 (Sierracinsylmar Corporation), 110-170205-001 (Armorworks Enterprises Inc).
1 possible match (shared part number, not a government interchangeability claim): 2541-01-694-8868. 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 2540-01-543-8440 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.