The Valve,relay,air Pressure, cataloged under National Stock Number 2530-01-293-8537, 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 Williams Controls Inc. Government technical data includes 13 specifications, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2530-01-293-8537 |
| Primary Part Number | WM147P-111542 |
| Item Name | Valve,relay,air Pressure |
| FSC / FSG | 2530 / 25 — Vehicular Brake, Steering, Axle, Wheel, and Track Components |
| Manufacturer | Williams Controls Inc |
| Status | ACTIVE |
| First End Thread Direction | RIGHT-HAND |
| Second End Relationship with First End | IDENTICAL |
| Absolute Pressure Range | +5.0 TO 10.0 |
| Body Style | TEE GIVE "ADQL" AND "ADQM" ONLY WHEN FLANGED ALL ENDS |
| Third End Relationship with Preceding Ends | NOT IDENTICAL WITH FIRST OR SECOND END |
| First End Style Designator | PLAIN |
| Third End Nominal Pipe Size Accommodated | 0.125 INCHES IN |
| End Connection Quantity | 3 |
| Third End Thread Direction | RIGHT-HAND |
| First End Connection Type | THREADED INTERNAL PIPE |
| Third End Connection Type | THREADED INTERNAL PIPE |
| First End Nominal Pipe Size Accommodated | 0.250 INCHES IN |
| Third End Style Designator | PLAIN |
| 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 |
|---|---|
| WM147P-111542 PRIMARY | Williams Controls Inc (USA) |
| Reference | Meaning |
|---|---|
| 63-500566-15-00 | 5/9 Secondary reference U.S. Government activity |
| WM147P | 5/9 Secondary reference Williams Controls Inc |
NSN 2530-01-293-8537 is a Valve,relay,air Pressure, manufactured by Williams Controls Inc, classified under FSC 2530, Vehicular Brake, Steering, Axle, Wheel, and Track Components. Status: active.
NSN 2530-01-293-8537 has 1 manufacturer part number on file: WM147P-111542 (Williams Controls Inc).
Key specifications for WM147P-111542: First End Thread Direction: RIGHT-HAND; Second End Relationship with First End: IDENTICAL; Absolute Pressure Range: +5.0 TO 10.0; Body Style: TEE GIVE "ADQL" AND "ADQM" ONLY WHEN FLANGED ALL ENDS. 13 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.