The Valve,gate, cataloged under National Stock Number 4820-01-067-5213, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is The Walworth Company. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-067-5213 |
| Primary Part Number | 49WS 1-1/2IN |
| Item Name | Valve,gate |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | The Walworth Company |
| Status | ACTIVE |
| Inlet Relationship with Outlet | IDENTICAL |
| Nominal Pipe Size Accommodated | 1.500 INCHES IN |
| Maximum Operating Temp and Media for Which Designed | 250.0 FAHRENHEIT WATER-OIL-GAS DEGF |
| Operating Pressure and Type | 700.0 POUNDS PER SQUARE INCH (PSI) WATER AND OTHER LIQUIDS MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS |
| Stem Type | RISING |
| Connection Type | SOCKET, WELD, PIPE |
| Valve Size | 1.500 INCHES IN |
| Features Provided | BONNET PACKING |
| Bonnet Type | INSIDE SCREW |
| Bonnet Attachment Method | THREADED |
| Material | NICKEL ALLOY 400 BODY |
| Material | NICKEL ALLOY 400 SEAT |
| Material | NICKEL ALLOY 400 STEM |
| Material | NICKEL ALLOY 400 DISK |
| 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 |
|---|---|
| 845-1889568ASSYAA1 1-2IN | Naval Sea Systems Command (USA) |
| 49WS 1-1/2IN PRIMARY | The Walworth Company (USA) |
| 2620-902X6ASSYAA1 1-2IN PRIMARY | The Walworth Company (USA) |
| Reference | Meaning |
|---|---|
| 2620-902X6ASSYAA1 1-2IN | 5/9 Secondary reference U.S. Government activity |
NSN 4820-01-067-5213 is a Valve,gate, manufactured by The Walworth Company, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-067-5213 has 3 manufacturer part numbers on file: 845-1889568ASSYAA1 1-2IN (Naval Sea Systems Command), 49WS 1-1/2IN (The Walworth Company), 2620-902X6ASSYAA1 1-2IN (The Walworth Company).
Key specifications for 49WS 1-1/2IN: Inlet Relationship with Outlet: IDENTICAL; Nominal Pipe Size Accommodated: 1.500 INCHES IN; Maximum Operating Temp and Media for Which Designed: 250.0 FAHRENHEIT WATER-OIL-GAS DEGF; Operating Pressure and Type: 700.0 POUNDS PER SQUARE INCH (PSI) WATER AND OTHER LIQUIDS MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS. 15 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.