The Valve,safety Relief, cataloged under National Stock Number 4820-01-650-6057, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Baird Mfg Co. Government technical data includes 22 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 | 4820-01-650-6057 |
| Primary Part Number | 761-7601-1-LP-B-316SS |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Baird Mfg Co |
| Status | ACTIVE |
| Flow Control Device | BALL |
| Third Connection Face to Centerline Distance | 2.375 INCHES IN |
| Connection Style | PLAIN (PIPE) THIRD END |
| Connection Style | PLAIN,OPTIONAL END(PIPE) FIRST END |
| Connection Style | PLAIN,OPTIONAL END(PIPE) SECOND END |
| Connection Type | THREADED INTERNAL PIPE FIRST END |
| Connection Type | THREADED EXTERNAL PIPE THIRD END |
| Connection Type | THREADED INTERNAL PIPE SECOND END |
| Style Designator | CROSS |
| Operating Pressure | 1500.00 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Bonnet Type | INSIDE SPRING |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Nominal Thread Size | 1.00 INCHES SECOND END IN |
| Nominal Thread Size | 1.00 INCHES FIRST END IN |
| Nominal Thread Size | 0.75 INCHES THIRD END IN |
| Second Connection Face to Centerline Distance | 2.375 INCHES IN |
| Bonnet Attachment Method | THREADED |
| First Connection Face to Centerline Distance | 3.75 INCHES IN |
| Material | STEEL COMP 316 BODY |
| Thread Series Designator | NPT ALL ENDS |
| Opening Pressure Setting | 300.00 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 |
|---|---|
| 761-7601-1-LP-B-316SS PRIMARY | Baird Mfg Co (USA) |
NSN 4820-01-650-6057 is a Valve,safety Relief, manufactured by Baird Mfg Co, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-650-6057 has 1 manufacturer part number on file: 761-7601-1-LP-B-316SS (Baird Mfg Co).
Key specifications for 761-7601-1-LP-B-316SS: Flow Control Device: BALL; Third Connection Face to Centerline Distance: 2.375 INCHES IN; Connection Style: PLAIN (PIPE) THIRD END; Connection Style: PLAIN,OPTIONAL END(PIPE) FIRST END. 22 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.