The Valve,safety Relief, cataloged under National Stock Number 4820-01-044-9656, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Saf Industries Llc Dba General Pneumatics. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-044-9656 |
| Primary Part Number | GP804RAA03-4A |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Saf Industries Llc Dba General Pneumatics |
| Status | ACTIVE |
| Flow Control Device | POPPET |
| Connection Style | FLARED (TUBE) FIRST END |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Style Designator | ANGLE |
| Thread Direction | RIGHT-HAND FIRST END |
| Nominal Thread Size | 0.375 INCHES FIRST END IN |
| Thread Class | 3A FIRST END A |
| Thread Series Designator | UNF FIRST END |
| 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 |
|---|---|
| 588.10-300000-004 | Diehl Defence Gmbh & Co. Kg (DEU) |
| GP804RAA03-4A PRIMARY | Saf Industries Llc Dba General Pneumatics (USA) |
| 588-10-100040000 | Diehl Defence Gmbh & Co. Kg (DEU) |
| Reference | Meaning |
|---|---|
| 639AS962 | C/1 Advisory reference — outside the item-of-supply concept Saf Industries Llc Dba General Pneumatics |
| 639AS962 | 7/2 Vendor item drawing reference Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| 639AS962 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| GP804RAA03-4 | 5/9 Secondary reference Saf Industries Llc Dba General Pneumatics |
NSN 4820-01-044-9656 is a Valve,safety Relief, manufactured by Saf Industries Llc Dba General Pneumatics, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-044-9656 has 3 manufacturer part numbers on file: 588.10-300000-004 (Diehl Defence Gmbh & Co. Kg), GP804RAA03-4A (Saf Industries Llc Dba General Pneumatics), 588-10-100040000 (Diehl Defence Gmbh & Co. Kg).
1 possible match (shared part number, not a government interchangeability claim): 1420-01-052-1602. Verify interchangeability with system specifications before substitution.
Key specifications for GP804RAA03-4A: Flow Control Device: POPPET; Connection Style: FLARED (TUBE) FIRST END; Connection Type: THREADED EXTERNAL TUBE FIRST END; Style Designator: ANGLE. 9 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.