The Shaft Assembly,heater, cataloged under National Stock Number 2540-00-693-0899, is classified within Federal Supply Class 2540 (Vehicular Furniture and Accessories) of the Vehicular Equipment Components group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 2540-00-693-0899 |
| Primary Part Number | 8332778 |
| Item Name | Shaft Assembly,heater |
| FSC / FSG | 2540 / 25 — Vehicular Furniture and Accessories |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| General Characteristics Item Description | SHAFT,21.500 IN. O/A LG;0.375 IN. DIA;CONSISTS OF TWO LEVERS,P/N 7529235;TWO BRACKETS,P/N 7529237;WASHER,P/N 7343232;TWO PINS,P/N 103563;ONE,SHAFT,P/N 10864508;TWO FITTINGS;P/N MS-15001-1 IN |
| 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 |
|---|---|
| 8332778 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 77RUA31 | 5/9 Secondary reference Mack Trucks Inc Parts Opn |
NSN 2540-00-693-0899 is a Shaft Assembly,heater, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 2540, Vehicular Furniture and Accessories. Status: active.
NSN 2540-00-693-0899 has 1 manufacturer part number on file: 8332778 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 8332778: General Characteristics Item Description: SHAFT,21.500 IN. O/A LG;0.375 IN. DIA;CONSISTS OF TWO LEVERS,P/N 7529235;TWO BRACKETS,P/N 7529237;WASHER,P/N 7343232;TWO PINS,P/N 103563;ONE,SHAFT,P/N 10864508;TWO FITTINGS;P/N MS-15001-1 IN. 1 specification is 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.