The Valve,gate, cataloged under National Stock Number 4820-01-340-9359, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Watts Regulator Company. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-340-9359 |
| Primary Part Number | TYPE GVS 1/2IN |
| Item Name | Valve,gate |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Watts Regulator Company |
| Status | ACTIVE |
| Inlet Relationship with Outlet | IDENTICAL |
| Nominal Pipe Size Accommodated | 0.500 INCHES IN |
| 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 | NONRISING |
| Connection Type | SOCKET, WELD, PIPE |
| Valve Size | 0.500 INCHES IN |
| Bonnet Type | INSIDE SCREW |
| Bonnet Attachment Method | THREADED |
| Material | COPPER ALLOY BODY |
| Material | COPPER ALLOY STEM |
| Material | COPPER ALLOY DISK |
| Material | COPPER ALLOY SEAT |
| 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 |
| Part Number | Manufacturer |
|---|---|
| TYPE GVS 1/2IN PRIMARY | Watts Regulator Company (USA) |
NSN 4820-01-340-9359 is a Valve,gate, manufactured by Watts Regulator Company, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-340-9359 has 1 manufacturer part number on file: TYPE GVS 1/2IN (Watts Regulator Company).
Key specifications for TYPE GVS 1/2IN: Inlet Relationship with Outlet: IDENTICAL; Nominal Pipe Size Accommodated: 0.500 INCHES IN; 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: NONRISING. 13 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.