The Valve,safety Relief, cataloged under National Stock Number 4820-01-446-8059, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Foxfire Microwave Inc. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-446-8059 |
| Primary Part Number | 229582-101 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Foxfire Microwave Inc |
| Status | ACTIVE |
| Flow Control Device | NEEDLE |
| Connection Style | PLAIN (SCREW-IN CARTRIDGE) ALL ENDS |
| Connection Type | THREADED CARTRIDGE ALL ENDS |
| Style Designator | SCREW-IN CARTRIDGE |
| Operating Pressure | 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Nominal Thread Size | 0.305 INCHES FIRST END IN |
| Nominal Thread Size | 0.125 INCHES SECOND END IN |
| Material | STEEL CORROSION RESISTING BODY |
| Thread Series Designator | NPT ALL ENDS |
| 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 |
|---|---|
| 229582-101 PRIMARY | Foxfire Microwave Inc (USA) |
| BH000030-001 | L3harris Technologies Integrated Systems L.p. Div Integrated Aerospace Systems (USA) |
| Reference | Meaning |
|---|---|
| BH000030 | 7/1 Vendor item drawing reference L3harris Technologies Integrated Systems L.p. Div Integrated Aerospace Systems |
NSN 4820-01-446-8059 is a Valve,safety Relief, manufactured by Foxfire Microwave Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-446-8059 has 2 manufacturer part numbers on file: 229582-101 (Foxfire Microwave Inc), BH000030-001 (L3harris Technologies Integrated Systems L.p. Div Integrated Aerospace Systems).
Key specifications for 229582-101: Flow Control Device: NEEDLE; Connection Style: PLAIN (SCREW-IN CARTRIDGE) ALL ENDS; Connection Type: THREADED CARTRIDGE ALL ENDS; Style Designator: SCREW-IN CARTRIDGE. 11 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.