The Valve,relay,air Pressure, cataloged under National Stock Number 2530-01-559-6593, 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 Hughes Motors, Inc.. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 2530-01-559-6593 |
| Primary Part Number | 74S103009N |
| Item Name | Valve,relay,air Pressure |
| FSC / FSG | 2530 / 25 — Vehicular Brake, Steering, Axle, Wheel, and Track Components |
| Manufacturer | Hughes Motors, Inc. |
| 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 |
|---|---|
| 74S103009N PRIMARY | Hughes Motors, Inc. (USA) |
| 4008105 | General Dynamics Land Systems - Force Protection Inc. Dba Gdls Div Gdls-Fp (USA) |
| Reference | Meaning |
|---|---|
| 745103009 | 5/9 Secondary reference Hughes Motors, Inc. |
NSN 2530-01-559-6593 is a Valve,relay,air Pressure, manufactured by Hughes Motors, Inc., classified under FSC 2530, Vehicular Brake, Steering, Axle, Wheel, and Track Components. Status: active.
NSN 2530-01-559-6593 has 2 manufacturer part numbers on file: 74S103009N (Hughes Motors, Inc.), 4008105 (General Dynamics Land Systems - Force Protection Inc. Dba Gdls Div Gdls-Fp).
Key specifications for 74S103009N: Part Name Assigned by Controlling Agency: VALVE,AIR BRAKE RELAY; End Item Identification: 2320-01-531-6425 TRUCK,BOMB SERVICE,BUFFALO HEAVY MINE PROTECTED CLEARANCE VEHICLE,BH3; MRAP BUFFALO MK2A2. 0 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.