The Housing,mechanical Drive, cataloged under National Stock Number 2520-01-669-0477, is classified within Federal Supply Class 2520 (Vehicular Power Transmission Components) of the Vehicular Equipment Components group. The manufacturer of record is General Motors Corp. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 2520-01-669-0477 |
| Primary Part Number | 12671402 |
| Item Name | Housing,mechanical Drive |
| FSC / FSG | 2520 / 25 — Vehicular Power Transmission Components |
| Manufacturer | General Motors Corp |
| Status | ACTIVE |
| Component Quantity | 1 |
| Mounting Hole Quantity | 14 |
| Mounting Method | BOLTED |
| Component Document Origin | INDUSTRIAL |
| Vehicle Identification Designator | M1279A1 |
| Specific Use | ENGINE COVER,FRONT |
| Document Source | 75Q65 |
| Material | IRON |
| Construction Type | ONE PIECE |
| Mounting Hole Type | THRU HOLE ALL HOLES |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 12671402 PRIMARY | General Motors Corp (USA) |
| Reference | Meaning |
|---|---|
| 4393591 | 7/2 Vendor item drawing reference Oshkosh Defense Llc |
NSN 2520-01-669-0477 is a Housing,mechanical Drive, manufactured by General Motors Corp, classified under FSC 2520, Vehicular Power Transmission Components. Status: active.
NSN 2520-01-669-0477 has 1 manufacturer part number on file: 12671402 (General Motors Corp).
Key specifications for 12671402: Component Quantity: 1; Mounting Hole Quantity: 14; Overall Height: 77.7 MILLIMETERS NOMINAL MM; Mounting Method: BOLTED. 10 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.