The Valve,vent,brake, cataloged under National Stock Number 2240-00-366-2442, is classified within Federal Supply Class 2240 (Locomotive and Rail Car Accessories and Components) of the Railway Equipment group. The manufacturer of record is General Motors Corp. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 2240-00-366-2442 |
| Primary Part Number | 8081776 |
| Item Name | Valve,vent,brake |
| FSC / FSG | 2240 / 22 — Locomotive and Rail Car Accessories and Components |
| Manufacturer | General Motors Corp |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL |
| 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 |
|---|---|
| 8081776 PRIMARY | General Motors Corp (USA) |
| Reference | Meaning |
|---|---|
| N3811 | 5/9 Secondary reference General Signal Corp |
| 507663 | 3/2 Design control — primary reference U.S. Government activity |
NSN 2240-00-366-2442 is a Valve,vent,brake, manufactured by General Motors Corp, classified under FSC 2240, Locomotive and Rail Car Accessories and Components. Status: active.
NSN 2240-00-366-2442 has 1 manufacturer part number on file: 8081776 (General Motors Corp).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-369-5874. Verify interchangeability with system specifications before substitution.
Key specifications for 8081776: General Characteristics Item Description: STEEL. 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.