The Bar Armor Kit, cataloged under National Stock Number 2541-01-533-4788, is classified within Federal Supply Class 2541 (Weapons Systems Specific Vehicular Accessories) of the Vehicular Equipment Components group. The manufacturer of record is Tower Defense & Aerospace Llc Dba W Industries. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Bar Armor Kit |
| FSC / FSG | 2541 — Weapons Systems Specific Vehicular Accessories (FSG 25) |
| Manufacturers | Tower Defense & Aerospace Llc Dba W Industries (CAGE 34KV4); U S Army Tank Automotive Command Amsta-Im-Mm (CAGE 19207) |
| Parameter | Value |
|---|---|
| NSN | 2541-01-533-4788 |
| Primary Part Number | 4309522 |
| Item Name | Bar Armor Kit |
| FSC / FSG | 2541 / 25 — Weapons Systems Specific Vehicular Accessories |
| Manufacturer | Tower Defense & Aerospace Llc Dba W Industries |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 4309522 PRIMARY | Tower Defense & Aerospace Llc Dba W Industries (USA) |
| 57K4311 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 4265716 | 5/9 Secondary reference U.S. Government activity |
| 4309522 | 5/9 Secondary reference Lapeer Industries, Inc |
| 4309522 | 5/9 Secondary reference Demmer Corporation |
| 4309522 | 3/2 Design control — primary reference U.S. Government activity |
NSN 2541-01-533-4788 is a Bar Armor Kit, manufactured by Tower Defense & Aerospace Llc Dba W Industries, classified under FSC 2541, Weapons Systems Specific Vehicular Accessories. Status: active.
NSN 2541-01-533-4788 has 2 manufacturer part numbers on file: 4309522 (Tower Defense & Aerospace Llc Dba W Industries), 57K4311 (U S Army Tank Automotive Command Amsta-Im-Mm).
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 2541-01-533-4788 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.