The Valve,gate, cataloged under National Stock Number 4820-01-277-6496, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Bonney Forge Valve. Government technical data includes 14 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-277-6496 |
| Primary Part Number | F57D-1 1/2 IN-600PSI |
| Item Name | Valve,gate |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Bonney Forge Valve |
| Status | ACTIVE |
| Inlet Relationship with Outlet | IDENTICAL |
| Nominal Pipe Size Accommodated | 1.500 INCHES IN |
| Maximum Operating Temp and Media for Which Designed | 850.0 FAHRENHEIT FUEL/OIL, HYDROCARBON AND 850.0 FAHRENHEIT STEAM DEGF |
| Operating Pressure and Type | 800.0 POUNDS PER SQUARE INCH (PSI) HYDROCARBON FUEL OR OIL MAXIMUM REQUIRED AND 800.0 POUNDS PER SQUARE INCH (PSI) STEAM MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS |
| Stem Type | RISING |
| Connection Type | SOCKET, WELD, PIPE |
| Valve Size | 1.500 INCHES IN |
| Bonnet Type | OUTSIDE SCREW-YOKE |
| Bonnet Attachment Method | BOLTED |
| Material | STEEL COMP 416 STEM |
| Material | STEEL UNS K03504 BODY |
| Material | STEEL COMP 410 SEAT |
| Material | STEEL COMP 420 DISK |
| Valve Operation Method | MANUAL |
| 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 |
|---|---|
| F57D-1 1/2 IN-600PSI PRIMARY | Bonney Forge Valve (USA) |
| Reference | Meaning |
|---|---|
| F57D-1 1/2IN-600PSI | 5/9 Secondary reference U.S. Government activity |
NSN 4820-01-277-6496 is a Valve,gate, manufactured by Bonney Forge Valve, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-277-6496 has 1 manufacturer part number on file: F57D-1 1/2 IN-600PSI (Bonney Forge Valve).
Key specifications for F57D-1 1/2 IN-600PSI: Inlet Relationship with Outlet: IDENTICAL; Nominal Pipe Size Accommodated: 1.500 INCHES IN; Maximum Operating Temp and Media for Which Designed: 850.0 FAHRENHEIT FUEL/OIL, HYDROCARBON AND 850.0 FAHRENHEIT STEAM DEGF; Operating Pressure and Type: 800.0 POUNDS PER SQUARE INCH (PSI) HYDROCARBON FUEL OR OIL MAXIMUM REQUIRED AND 800.0 POUNDS PER SQUARE INCH (PSI) STEAM MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS. 14 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.