The Valve,air Brake, cataloged under National Stock Number 2240-00-006-6066, is classified within Federal Supply Class 2240 (Locomotive and Rail Car Accessories and Components) of the Railway Equipment group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 2240-00-006-6066 |
| Item Name | Valve,air Brake |
| FSC / FSG | 2240 / 22 — Locomotive and Rail Car Accessories and Components |
| Status | ACTIVE |
| General Characteristics Item Description | EMERGENCY PORTION,CAST IRON BODY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 569486 | 3/2 Design control — primary reference U.S. Government activity |
NSN 2240-00-006-6066 is a Valve,air Brake, classified under FSC 2240, Locomotive and Rail Car Accessories and Components. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 2835-00-739-8735. Verify interchangeability with system specifications before substitution.
Key specifications for 2240-00-006-6066: General Characteristics Item Description: EMERGENCY PORTION,CAST IRON BODY. 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.