The Valve,relay,air Pressure, cataloged under National Stock Number 2530-01-359-8175, 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 Progress Rail Locomotive Inc. Dba Progress Rail Switching Services Llc. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2530-01-359-8175 |
| Primary Part Number | 8391952 |
| Item Name | Valve,relay,air Pressure |
| FSC / FSG | 2530 / 25 — Vehicular Brake, Steering, Axle, Wheel, and Track Components |
| Manufacturer | Progress Rail Locomotive Inc. Dba Progress Rail Switching Services Llc |
| Status | ACTIVE |
| Body Style | MULTIPLE CIONNECTION |
| First End Style Designator | GASKET SEAL |
| End Connection Quantity | 5 |
| Temp Adjustability | NOT ADJUSTABLE |
| Media for Which Designed | AIR |
| 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 |
|---|---|
| 8391952 PRIMARY | Progress Rail Locomotive Inc. Dba Progress Rail Switching Services Llc (USA) |
| R431004948 | Aventics Corp Div Aventics Corporation (USA) |
| R431004948 | Bosch Rexroth Corporation Div Industrial Hydraulics (USA) |
| Reference | Meaning |
|---|---|
| 8391952 | 5/9 Secondary reference General Motors Corp Electro-Motive Div |
| P54619 PIECE P59288 | 5/9 Secondary reference Bosch Rexroth Corporation Div Bosch Rexroth |
| P59288 | 5/9 Secondary reference Bosch Rexroth Corporation Div Bosch Rexroth |
| R431004948 | 5/9 Secondary reference Bosch Rexroth Corporation Div Bosch Rexroth |
| P54619 | D/9 Drawing number reference only Bosch Rexroth Corporation Div Bosch Rexroth |
NSN 2530-01-359-8175 is a Valve,relay,air Pressure, manufactured by Progress Rail Locomotive Inc. Dba Progress Rail Switching Services Llc, classified under FSC 2530, Vehicular Brake, Steering, Axle, Wheel, and Track Components. Status: active.
NSN 2530-01-359-8175 has 3 manufacturer part numbers on file: 8391952 (Progress Rail Locomotive Inc. Dba Progress Rail Switching Services Llc), R431004948 (Aventics Corp Div Aventics Corporation), R431004948 (Bosch Rexroth Corporation Div Industrial Hydraulics).
Key specifications for 8391952: Body Style: MULTIPLE CIONNECTION; First End Style Designator: GASKET SEAL; End Connection Quantity: 5; Temp Adjustability: NOT ADJUSTABLE. 5 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.