The Valve,safety Relief, cataloged under National Stock Number 4820-00-563-6516, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Itw Industrial Finishing Dba Binks Devilbiss. Government technical data includes 13 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 | 4820-00-563-6516 |
| Primary Part Number | 83-1879 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Itw Industrial Finishing Dba Binks Devilbiss |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Connection Style | FLARE(TUBE) FIRST END |
| Connection Type | THREADED INTERNAL TUBE FIRST END |
| Style Designator | ANGLE |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES FIRST END IN |
| Thread Direction | RIGHT-HAND FIRST END |
| Nominal Thread Size | 0.438 INCHES FIRST END IN |
| Thread Class | 2B FIRST END |
| Material | STEEL CORROSION RESISTING BODY |
| Thread Series Designator | UNF FIRST END |
| Opening Pressure Setting | 110.0 POUNDS PER SQUARE INCH LBS |
| Valve Discharge Flow Rate | 34.0 CUBIC FEET PER MINUTE |
| 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 |
|---|---|
| 83-1879 PRIMARY | Itw Industrial Finishing Dba Binks Devilbiss (USA) |
NSN 4820-00-563-6516 is a Valve,safety Relief, manufactured by Itw Industrial Finishing Dba Binks Devilbiss, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-563-6516 has 1 manufacturer part number on file: 83-1879 (Itw Industrial Finishing Dba Binks Devilbiss).
Key specifications for 83-1879: Flow Control Device: DISK; Connection Style: FLARE(TUBE) FIRST END; Connection Type: THREADED INTERNAL TUBE FIRST END; Style Designator: ANGLE. 13 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.