The Valve,relay,air Pressure, cataloged under National Stock Number 2530-01-628-5056, 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 Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems. Government technical data includes 2 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2530-01-628-5056 |
| Primary Part Number | K021557 |
| Item Name | Valve,relay,air Pressure |
| FSC / FSG | 2530 / 25 — Vehicular Brake, Steering, Axle, Wheel, and Track Components |
| Manufacturer | Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems |
| Status | ACTIVE |
| Body Style | MULTIPLE CIONNECTION |
| First End Connection Type | THREADED INTERNAL PIPE |
| 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 |
|---|---|
| K021557 PRIMARY | Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems (USA) |
NSN 2530-01-628-5056 is a Valve,relay,air Pressure, manufactured by Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems, classified under FSC 2530, Vehicular Brake, Steering, Axle, Wheel, and Track Components. Status: active.
NSN 2530-01-628-5056 has 1 manufacturer part number on file: K021557 (Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems).
Key specifications for K021557: Body Style: MULTIPLE CIONNECTION; First End Connection Type: THREADED INTERNAL PIPE; Special Features: MOUNTING STUDS: 2 EACH THREAD 3/8-16, LENGHT: 0.94 INCHES, CONTROL PORT:1/4 INCH NPT, BALANCE PORT: 1/4 INCH NPT. IN; Part Name Assigned by Controlling Agency: SPRING BRAKE MODULATING VALVE. 2 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.