The Valve,gate, cataloged under National Stock Number 4820-01-460-4766, 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 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-460-4766 |
| Primary Part Number | W11-1.25IPS |
| Item Name | Valve,gate |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | The Walworth Company |
| Status | ACTIVE |
| Inlet Relationship with Outlet | IDENTICAL |
| Stem Type | RISING |
| Valve Size | 1.250 INCHES IN |
| Bonnet Type | INSIDE SCREW |
| Bonnet Attachment Method | UNION |
| Material | COPPER ALLOY BODY |
| Material | COPPER ALLOY DISK |
| Material | SILICON AND COPPER 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 |
| Part Number | Manufacturer |
|---|---|
| W11-1.25IPS PRIMARY | The Walworth Company (USA) |
| Reference | Meaning |
|---|---|
| WWBCC013 | D/9 Drawing number reference only The Walworth Company |
NSN 4820-01-460-4766 is a Valve,gate, manufactured by The Walworth Company, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-460-4766 has 1 manufacturer part number on file: W11-1.25IPS (The Walworth Company).
Key specifications for W11-1.25IPS: Inlet Relationship with Outlet: IDENTICAL; Stem Type: RISING; Valve Size: 1.250 INCHES IN; Bonnet Type: INSIDE SCREW. 9 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.