The Valve,safety Relief, cataloged under National Stock Number 4820-01-057-6076, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 18 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-057-6076 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Connection Style | PLAIN,OPTIONAL END(PIPE) FIRST END |
| Connection Style | PLAIN (PIPE) SECOND END |
| Connection Type | THREADED INTERNAL PIPE FIRST END |
| Connection Type | THREADED EXTERNAL PIPE SECOND END |
| Style Designator | ANGLE |
| Operating Pressure | 15.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Nominal Thread Size | 0.750 INCHES ALL ENDS IN |
| Disk Loading Method | SPRING |
| Media for Which Designed | STEAM SINGLE RESPONSE |
| Material | COPPER ALLOY BODY |
| Material | RUBBER SEAT |
| Material | COPPER ALLOY AND PLASTIC POLYTETRAFLUOROETHYLENE FLOW CONTROL DEVICE |
| Thread Series Designator | NPT ALL ENDS |
| Opening Pressure Setting | 15.0 POUNDS PER SQUARE INCH LBS |
| Valve Discharge Flow Rate | 300.0 POUNDS PER HOUR LBS |
| Valve Operation Method | AUTOMATIC OR MANUAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 00-351508-00001 | C/1 Advisory reference — outside the item-of-supply concept Itw Food Equipment Group Llc Dba Hobart Service |
| XNC17X36 | 5/9 Secondary reference General Electric Co Food Service Equipment Business Dept |
| 351508-1 | 3/9 Design control — primary reference Itw Food Equipment Group Llc Dba Hobart Service |
NSN 4820-01-057-6076 is a Valve,safety Relief, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-01-057-6076: Flow Control Device: DISK; Connection Style: PLAIN,OPTIONAL END(PIPE) FIRST END; Connection Style: PLAIN (PIPE) SECOND END; Connection Type: THREADED INTERNAL PIPE FIRST END. 18 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.