The Diffuser,air,vehicular Heating a, cataloged under National Stock Number 2540-01-420-7902, 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 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 2540-01-420-7902 |
| Primary Part Number | 01-04776 |
| Item Name | Diffuser,air,vehicular Heating a |
| FSC / FSG | 2540 / 25 — Vehicular Furniture and Accessories |
| Manufacturer | Amz Alabama Inc. |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 01-04776 | Amz Alabama Inc. (USA) |
| 0727664 | General Dynamics European, Land-Systems-Mowag Gmbh Dba Gdels (CHE) |
| Reference | Meaning |
|---|---|
| 01-04776 | C/1 Advisory reference — outside the item-of-supply concept Bae Systems Land & Armaments L.p. |
| 01-04776 | 5/9 Secondary reference Am General Llc |
| 01-04776 | 3/9 Design control — primary reference Bae Systems Survivability Systems Llc |
NSN 2540-01-420-7902 is a Diffuser,air,vehicular Heating a, manufactured by Amz Alabama Inc., classified under FSC 2540, Vehicular Furniture and Accessories. Status: active.
NSN 2540-01-420-7902 has 2 manufacturer part numbers on file: 01-04776 (Amz Alabama Inc.), 0727664 (General Dynamics European, Land-Systems-Mowag Gmbh Dba Gdels).
Key specifications for 01-04776: Overall Length: 5.000 INCHES NOMINAL IN; Overall Width: 2.000 INCHES NOMINAL IN; End Item Identification: 2320-01-389-7558,TRUCK,UTILITY. 0 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.