The Parts Kit,relay Valve,air Pressu, cataloged under National Stock Number 2530-01-418-4231, 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 Sealco Air Controls Inc. Government technical data includes 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2530-01-418-4231 |
| Primary Part Number | 140271 |
| Item Name | Parts Kit,relay Valve,air Pressu |
| FSC / FSG | 2530 / 25 — Vehicular Brake, Steering, Axle, Wheel, and Track Components |
| Manufacturer | Sealco Air Controls Inc |
| Status | ACTIVE |
| Component Quantity | 4 |
| End Item Source | 10125 |
| Model Number | 140270 |
| Supply Items and Quantities | P/N 500 O-RING 1; P/N 5027 O-RING 1; P/N 110110 CHECK VALVE ASSY 1; P/N 110259 LUBRICATION-TUBE 1 |
| End Item Name | PRESSURE PROTECTION VALVE |
| 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 |
|---|---|
| 140271 PRIMARY | Sealco Air Controls Inc (USA) |
| Reference | Meaning |
|---|---|
| 140205 | 5/9 Secondary reference Sealco Air Controls Inc |
NSN 2530-01-418-4231 is a Parts Kit,relay Valve,air Pressu, manufactured by Sealco Air Controls Inc, classified under FSC 2530, Vehicular Brake, Steering, Axle, Wheel, and Track Components. Status: active.
NSN 2530-01-418-4231 has 1 manufacturer part number on file: 140271 (Sealco Air Controls Inc).
Key specifications for 140271: Component Quantity: 4; End Item Source: 10125; Model Number: 140270; Supply Items and Quantities: P/N 500 O-RING 1; P/N 5027 O-RING 1; P/N 110110 CHECK VALVE ASSY 1; P/N 110259 LUBRICATION-TUBE 1. 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.