The Valve,gate, cataloged under National Stock Number 4820-01-141-2554, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 19 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4820-01-141-2554 |
| 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 | 406.0 FAHRENHEIT STEAM AND 150.0 FAHRENHEIT WATER-OIL-GAS DEGF |
| Operating Pressure and Type | 125.0 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 |
| Connection Type | THREADED INTERNAL PIPE |
| Material Document and Classification | ASTM B-371 ALLOY 694 ASSN STD SINGLE MATERIAL RESPONSE STEM |
| Material Document and Classification | ASTM B-62 ASSN STD SINGLE MATERIAL RESPONSE DISK |
| Material Document and Classification | ASTM B-62 ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Valve Size | 2.500 INCHES IN |
| Features Provided | BONNET PACKING |
| Bonnet Type | INSIDE SCREW |
| Nominal Thread Size | 2.500 INCHES IN |
| Bonnet Attachment Method | THREADED |
| Pressure Class | ERR-060 |
| Material | COPPER ALLOY 694 STEM |
| Material | COPPER ALLOY 836 DISK |
| Material | COPPER ALLOY 836 BODY |
| 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 |
|---|---|
| 8-100-2 1/2IN | 5/9 Secondary reference U.S. Government activity |
| B-100-2 1/2IN | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| B-100 SZ 2 1/2 IN | 3/2 Design control — primary reference U.S. Government activity |
NSN 4820-01-141-2554 is a Valve,gate, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-01-141-2554: Inlet Relationship with Outlet: IDENTICAL; Maximum Operating Temp and Media for Which Designed: 406.0 FAHRENHEIT STEAM AND 150.0 FAHRENHEIT WATER-OIL-GAS DEGF; Operating Pressure and Type: 125.0 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. 19 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.