The Valve,gate, cataloged under National Stock Number 4820-01-465-4594, 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 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-465-4594 |
| Primary Part Number | W11 1.0IPS |
| Item Name | Valve,gate |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | The Walworth Company |
| Status | ACTIVE |
| Inlet Relationship with Outlet | IDENTICAL |
| Stem Type | RISING |
| Connection Type | THREADED INTERNAL PIPE |
| Material Document and Classification | ASTM B-62 ASSN STD SINGLE MATERIAL RESPONSE DISK |
| Material Document and Classification | ASTM B-62 ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Material Document and Classification | ASTM B-584 ASSN STD SINGLE MATERIAL RESPONSE AND ASTM B-875 ASSN STD SINGLE MATERIAL RESPONSE STEM |
| Valve Size | 1.000 INCHES IN |
| Bonnet Attachment Method | UNION |
| Pressure Class | ERR-060 |
| 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 1.0IPS PRIMARY | The Walworth Company (USA) |
| Reference | Meaning |
|---|---|
| W11 1.00IPS | C/1 Advisory reference — outside the item-of-supply concept The Walworth Company |
NSN 4820-01-465-4594 is a Valve,gate, manufactured by The Walworth Company, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-465-4594 has 1 manufacturer part number on file: W11 1.0IPS (The Walworth Company).
Key specifications for W11 1.0IPS: Inlet Relationship with Outlet: IDENTICAL; Stem Type: RISING; Connection Type: THREADED INTERNAL PIPE; Material Document and Classification: ASTM B-62 ASSN STD SINGLE MATERIAL RESPONSE DISK. 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.