The Valve,safety Relief, cataloged under National Stock Number 4820-01-312-0279, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Bauer Compressors, Inc.. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4820-01-312-0279 |
| Primary Part Number | 065410-225 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Bauer Compressors, Inc. |
| Status | ACTIVE |
| Opening Pressure Setting | 3200.0 POUNDS PER SQUARE INCH LBS |
| Valve Operation Method | AUTOMATIC |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 065410-225 PRIMARY | Bauer Compressors, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 03063 | 5/9 Secondary reference Bauer Compressors, Inc. |
| 003063 | 3/9 Design control — primary reference Bauer Compressors, Inc. |
| 03063-340 | 5/9 Secondary reference Bauer Compressors, Inc. |
NSN 4820-01-312-0279 is a Valve,safety Relief, manufactured by Bauer Compressors, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-312-0279 has 1 manufacturer part number on file: 065410-225 (Bauer Compressors, Inc.).
2 possible matches (shared part number, not a government interchangeability claim): 5360-01-378-2129, 5935-01-472-2352. Verify interchangeability with system specifications before substitution.
Key specifications for 065410-225: End Item Identification: BAUER COMPRESSOR,COMPRESSOR,MODEL K20DD; Opening Pressure Setting: 3200.0 POUNDS PER SQUARE INCH LBS; Valve Operation Method: AUTOMATIC. 2 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.