The Valve,gate, cataloged under National Stock Number 4820-00-893-5504, 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18 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-893-5504 |
| Item Name | Valve,gate |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Nominal Pipe Size Accommodated | 1.000 INCHES IN |
| Maximum Operating Temp and Media for Which Designed | 500.0 FAHRENHEIT STEAM AND 500.0 FAHRENHEIT WATER-OIL-GAS DEGF |
| Operating Pressure and Type | 200.0 POUNDS PER SQUARE INCH (PSI) STEAM MAXIMUM REQUIRED AND 200.0 POUNDS PER SQUARE INCH (PSI) WATER AND OTHER LIQUIDS MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS |
| Stem Type | RISING |
| Material Document and Classification | QQ-C-390 ALLOY B5 FED SPEC SINGLE MATERIAL RESPONSE BODY |
| Material Document and Classification | QQ-C-390, ALL0Y B5 FED SPEC SINGLE MATERIAL RESPONSE SEAT |
| Material Document and Classification | QQ-C-390, ALLOY B5 FED SPEC SINGLE MATERIAL RESPONSE DISK |
| Features Provided | BONNET PACKING |
| Bonnet Type | INSIDE SCREW |
| Nominal Thread Size | 1.000 INCHES IN |
| Bonnet Attachment Method | THREADED |
| Material | COPPER ALLOY 836 DISK |
| Material | COPPER ALLOY 836 BODY |
| Material | COPPER ALLOY 836 SEAT |
| Material | COPPER ALLOY STEM |
| Thread Series Designator | NPT |
| Valve Operation Method | MANUAL |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY SIZE OF END CONNECTIONS |
| 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 |
|---|---|
| 500 | 3/1 Design control — primary reference William Powell Company, the Dba Powell Valve Div the Starflo Corporation |
NSN 4820-00-893-5504 is a Valve,gate, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-00-893-5504: Nominal Pipe Size Accommodated: 1.000 INCHES IN; Maximum Operating Temp and Media for Which Designed: 500.0 FAHRENHEIT STEAM AND 500.0 FAHRENHEIT WATER-OIL-GAS DEGF; Operating Pressure and Type: 200.0 POUNDS PER SQUARE INCH (PSI) STEAM MAXIMUM REQUIRED AND 200.0 POUNDS PER SQUARE INCH (PSI) WATER AND OTHER LIQUIDS MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS; Stem Type: RISING. 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.