The Valve,relay,air Pressure, cataloged under National Stock Number 2530-01-303-0049, 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 26 specifications, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2530-01-303-0049 |
| Primary Part Number | K033049 |
| 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 |
| First End Thread Series Designator | NPTF |
| First End Thread Direction | RIGHT-HAND |
| Temp Rating | 40.0 FAHRENHEIT AND 200.0 FAHRENHEIT DEGF |
| Second End Relationship with First End | IDENTICAL |
| Body Style | MULTIPLE CIONNECTION |
| Third End Relationship with Preceding Ends | NOT IDENTICAL WITH FIRST OR SECOND END |
| First End Style Designator | PLAIN |
| Fourth End Connection Type | THREADED EXTERNAL PIPE |
| Third End Nominal Pipe Size Accommodated | 0.250 INCHES IN |
| End Connection Quantity | 4 |
| Fourth End Thread Direction | RIGHT-HAND |
| Fourth End Thread Series Designator | NPTF |
| Fourth End Style Designator | PLAIN |
| Third End Thread Direction | RIGHT-HAND |
| Third End Thread Series Designator | NPTF |
| First End Connection Type | THREADED INTERNAL PIPE |
| Temp Adjustability | ADJUSTABLE |
| Fourth End Nominal Pipe Size Accommodated | 0.750 INCHES IN |
| Third End Connection Type | THREADED INTERNAL PIPE |
| Fourth End Relationship with Preceding Ends | NOT IDENTICAL WITH FIRST, SECOND OR THIRD END |
| Fourth End Nominal Thread Size | 0.750 INCHES IN |
| First End Nominal Pipe Size Accommodated | 0.375 INCHES IN |
| Media for Which Designed | AIR |
| Third End Style Designator | PLAIN |
| First End Nominal Thread Size | 0.375 INCHES IN |
| Third End Nominal Thread Size | 0.250 INCHES IN |
| 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 |
|---|---|
| 12357787 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| K033049 PRIMARY | Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems (USA) |
| Reference | Meaning |
|---|---|
| 102761 | 3/9 Design control — primary reference Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems |
NSN 2530-01-303-0049 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 2530-01-303-0049 has 2 manufacturer part numbers on file: 12357787 (U S Army Tank Automotive Command Amsta-Im-Mm), K033049 (Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems).
2 possible matches (shared part number, not a government interchangeability claim): 5999-01-560-8286, 4720-01-671-6438. Verify interchangeability with system specifications before substitution.
Key specifications for K033049: First End Thread Series Designator: NPTF; First End Thread Direction: RIGHT-HAND; Temp Rating: 40.0 FAHRENHEIT AND 200.0 FAHRENHEIT DEGF; Second End Relationship with First End: IDENTICAL. 26 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.