The Valve,gate, cataloged under National Stock Number 4820-00-275-2178, 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17 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-275-2178 |
| Item Name | Valve,gate |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Maximum Operating Temp and Media for Which Designed | 650.0 FAHRENHEIT STEAM DEGF |
| Stem Type | RISING |
| Material Document and Classification | MIL-R-17131 MIL SPEC SINGLE MATERIAL RESPONSE BODY |
| Material Document and Classification | MIL-R-17131 MIL SPEC SINGLE MATERIAL RESPONSE DISK |
| Valve Size | 3.500 INCHES IN |
| Features Provided | BONNET PACKING AND CLEANOUT POCKET |
| Bonnet Type | OUTSIDE SCREW-YOKE |
| Departure From Cited Document | AS MODIFIED BY TRIM MATERIAL SR-1 SPEC/STD CONTROLLING DATA MFR CODE 81349 NONDEFINITIVE GOVT SPEC/STD REF MIL-V-18110 COMPOSITION D |
| Nondefinitive Spec/std Data | D COMPOSITION AND 150 PSI RATING |
| Bolt Hole Quantity | 8 |
| Bonnet Attachment Method | BOLTED |
| Face to Face Distance | 8.500 INCHES IN |
| Material | COBALT ALLOY DISK |
| Material | STEEL BODY |
| Material | COBALT ALLOY SEAT |
| Material | COBALT ALLOY STEM |
| 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 |
|---|---|
| MILV18110 | 4/1 Identification reference U.S. Government activity |
NSN 4820-00-275-2178 is a Valve,gate, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-00-275-2178: Maximum Operating Temp and Media for Which Designed: 650.0 FAHRENHEIT STEAM DEGF; Stem Type: RISING; Material Document and Classification: MIL-R-17131 MIL SPEC SINGLE MATERIAL RESPONSE BODY; Material Document and Classification: MIL-R-17131 MIL SPEC SINGLE MATERIAL RESPONSE DISK. 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.