The Housing,transmission,mechanical, cataloged under National Stock Number 2520-01-400-5983, is classified within Federal Supply Class 2520 (Vehicular Power Transmission Components) of the Vehicular Equipment Components group. The manufacturer of record is The W.w. Williams Company, Llc. Government technical data includes 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 2520-01-400-5983 |
| Primary Part Number | 29506185 |
| Item Name | Housing,transmission,mechanical |
| FSC / FSG | 2520 / 25 — Vehicular Power Transmission Components |
| Manufacturer | The W.w. Williams Company, Llc |
| Status | ACTIVE |
| General Characteristics Item Description | FORWARD CLUTCH HOUSING AND TURBINE SHAFT ASSY |
| Accessory Components and Quantity | SEAL 1,SHAFT 1,HOUSING ASSY FORWARD 1,HOUSING FORWARD CLUTCH 1,BALL 1 |
| 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 |
|---|---|
| 29506185 PRIMARY | The W.w. Williams Company, Llc (USA) |
| Reference | Meaning |
|---|---|
| 29506185 | 3/9 Design control — primary reference Allison Transmission Inc Dba Allison Transmission, Inc |
NSN 2520-01-400-5983 is a Housing,transmission,mechanical, manufactured by The W.w. Williams Company, Llc, classified under FSC 2520, Vehicular Power Transmission Components. Status: active.
NSN 2520-01-400-5983 has 1 manufacturer part number on file: 29506185 (The W.w. Williams Company, Llc).
Key specifications for 29506185: General Characteristics Item Description: FORWARD CLUTCH HOUSING AND TURBINE SHAFT ASSY; Accessory Components and Quantity: SEAL 1,SHAFT 1,HOUSING ASSY FORWARD 1,HOUSING FORWARD CLUTCH 1,BALL 1; End Item Identification: 2320-01-383-2047. 2 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.