The Cylinder,vacuum, cataloged under National Stock Number 2530-01-121-1934, is classified within Federal Supply Class 2530 (Vehicular Brake, Steering, Axle, Wheel, and Track Components) of the Vehicular Equipment Components group. The manufacturer of record is General Motors Corp. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Cylinder,vacuum |
| FSC / FSG | 2530 — Vehicular Brake, Steering, Axle, Wheel, and Track Components (FSG 25) |
| Manufacturers | General Motors Corp (CAGE 24617); General Motors Llc Dba General Motors Llc (CAGE 7X677) |
| Parameter | Value |
|---|---|
| NSN | 2530-01-121-1934 |
| Primary Part Number | 691294 |
| Item Name | Cylinder,vacuum |
| FSC / FSG | 2530 / 25 — Vehicular Brake, Steering, Axle, Wheel, and Track Components |
| Manufacturer | General Motors Corp |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 691294 | General Motors Corp (USA) |
| 691294 | General Motors Llc Dba General Motors Llc (USA) |
| Reference | Meaning |
|---|---|
| 2510401 | 5/9 Secondary reference Bendix Corp the Brake and Steering Div |
| 691294 | 5/9 Secondary reference General Motors Corp Chevrolet Motor Div Special Products Dept |
| 691294 | 3/9 Design control — primary reference Military Vehicles Opn General Motors Truck and Bus Group Ms 2603-02 |
| 2513 812 | 5/9 Secondary reference Allied Automotive Allied Aftermarket Div |
NSN 2530-01-121-1934 is a Cylinder,vacuum, manufactured by General Motors Corp, classified under FSC 2530, Vehicular Brake, Steering, Axle, Wheel, and Track Components. Status: active.
NSN 2530-01-121-1934 has 2 manufacturer part numbers on file: 691294 (General Motors Corp), 691294 (General Motors Llc Dba General Motors Llc).
1 possible match (shared part number, not a government interchangeability claim): 3040-01-485-7344. Verify interchangeability with system specifications before substitution.
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.