The Valve,gate, cataloged under National Stock Number 4820-01-561-3817, 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17 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-561-3817 |
| Item Name | Valve,gate |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 HANDWHEEL |
| Inlet Relationship with Outlet | IDENTICAL |
| Nominal Pipe Size Accommodated | 4.000 INCHES IN |
| Maximum Operating Temp and Media for Which Designed | 500.0 FAHRENHEIT STEAM DEGF |
| Operating Pressure and Type | 150.0 POUNDS PER SQUARE INCH (PSI) STEAM MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS |
| Stem Type | NONRISING |
| Connection Type | BUTT WELD PIPE |
| Valve Size | 4.000 INCHES IN |
| Bonnet Type | PACKING RETAINING |
| Specification/standard Data | 81349-MIL-V-18110 GOVERNMENT SPECIFICATION |
| Departure From Cited Document | AS MODIFIED BY MATERIALS |
| Test Data Document | 81349-MIL-V-901C LIGHT WEIGHT GR A CL I SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). |
| Pressure Class | ERR-060 |
| Material | STEEL COMP 304 STEM |
| Material | STEEL UNS J92900 DISK |
| Material | STEEL UNS J92900 BODY |
| 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 |
|---|---|
| MIL-V-18110 | 5/9 Secondary reference U.S. Government activity |
| MIL-DTL-18110 | 4/1 Identification reference U.S. Government activity |
| 216-SP | 5/9 Secondary reference Crane Nuclear Inc |
| D-47632 ASSY 216-SP | 5/9 Secondary reference Crane Nuclear Inc |
NSN 4820-01-561-3817 is a Valve,gate, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-01-561-3817: Furnished Items and Quantity: 1 HANDWHEEL; Inlet Relationship with Outlet: IDENTICAL; Nominal Pipe Size Accommodated: 4.000 INCHES IN; Maximum Operating Temp and Media for Which Designed: 500.0 FAHRENHEIT STEAM DEGF. 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.