The Frame,armor,vehicular Window, cataloged under National Stock Number 2541-01-589-5278, is classified within Federal Supply Class 2541 (Weapons Systems Specific Vehicular Accessories) of the Vehicular Equipment Components group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 2541-01-589-5278 |
| Primary Part Number | 6451251-01M1 |
| Item Name | Frame,armor,vehicular Window |
| FSC / FSG | 2541 / 25 — Weapons Systems Specific Vehicular Accessories |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 6451251-01M1 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
| 6451251-01M1 | Amz Alabama Inc. (USA) |
| 6451251-01M1 PRIMARY | Bae Systems Land & Armaments L.p. (USA) |
| Reference | Meaning |
|---|---|
| 6451251-01M1 | 3/9 Design control — primary reference Bae Systems Survivability Systems Llc |
NSN 2541-01-589-5278 is a Frame,armor,vehicular Window, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 2541, Weapons Systems Specific Vehicular Accessories. Status: active.
NSN 2541-01-589-5278 has 3 manufacturer part numbers on file: 6451251-01M1 (Caterpillar Inc Div Caterpillar Defense), 6451251-01M1 (Amz Alabama Inc.), 6451251-01M1 (Bae Systems Land & Armaments L.p.).
Key specifications for 6451251-01M1: Part Name Assigned by Controlling Agency: CAPPING RING, LHS, B-C CAT D7R, C-KIT; End Item Identification: 2410-01-565-2603 TRACTOR,FULL TRACKED,LOW SPEED. 0 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.