The Valve,gate, cataloged under National Stock Number 4820-01-274-4717, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 17 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-274-4717 |
| Item Name | Valve,gate |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Inlet Relationship with Outlet | IDENTICAL |
| Maximum Operating Temp and Media for Which Designed | 550.0 FAHRENHEIT STEAM DEGF |
| Operating Pressure and Type | 200.0 POUNDS PER SQUARE INCH (PSI) STEAM MAXIMUM REQUIRED AND 400.0 POUNDS PER SQUARE INCH (PSI) WATER AND OTHER LIQUIDS MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS |
| Stem Type | RISING |
| Connection Type | THREADED INTERNAL PIPE |
| Valve Size | 1.000 INCHES IN |
| Features Provided | BONNET PACKING |
| Bonnet Type | INSIDE SCREW |
| Nominal Thread Size | 1.000 INCHES IN |
| Bonnet Attachment Method | UNION |
| Pressure Class | ERR-060 |
| Material | COPPER ALLOY STEM |
| Material | COPPER ALLOY 922 BODY |
| Material | STEEL COMP 410 SEAT |
| Material | COPPER ALLOY DISK |
| Thread Series Designator | NPT |
| 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 |
| Reference | Meaning |
|---|---|
| IB654 SIZE 1 IN | 3/9 Design control — primary reference Hammond Valve Corp |
| 1B654-1IN | 5/9 Secondary reference Hammond Valve Corp |
NSN 4820-01-274-4717 is a Valve,gate, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-01-274-4717: Inlet Relationship with Outlet: IDENTICAL; Maximum Operating Temp and Media for Which Designed: 550.0 FAHRENHEIT STEAM DEGF; Operating Pressure and Type: 200.0 POUNDS PER SQUARE INCH (PSI) STEAM MAXIMUM REQUIRED AND 400.0 POUNDS PER SQUARE INCH (PSI) WATER AND OTHER LIQUIDS MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS; Stem Type: RISING. 17 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.