The Valve,gate, cataloged under National Stock Number 4820-01-464-2220, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-464-2220 |
| Primary Part Number | N-11398-50-6534199 NON-ASB |
| Item Name | Valve,gate |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | The Walworth Company |
| Status | ACTIVE |
| Inlet Relationship with Outlet | NOT IDENTICAL |
| Material Document and Classification | ASTM-A216 ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Valve Size | 4.000 INCHES IN |
| Pressure Class | ERR-060 |
| Material | STEEL BODY |
| Material | STEEL DISK |
| Material | STEEL SEAT |
| Material | STEEL STEM |
| Valve Operation Method | MANUAL WITH GEAR UNIT OR AIR |
| 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 |
|---|---|
| N-11398-50-6534199 NON-ASB PRIMARY | The Walworth Company (USA) |
| Reference | Meaning |
|---|---|
| N-11398-50-6 | D/9 Drawing number reference only The Walworth Company |
NSN 4820-01-464-2220 is a Valve,gate, manufactured by The Walworth Company, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-464-2220 has 1 manufacturer part number on file: N-11398-50-6534199 NON-ASB (The Walworth Company).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-464-6107. Verify interchangeability with system specifications before substitution.
Key specifications for N-11398-50-6534199 NON-ASB: Inlet Relationship with Outlet: NOT IDENTICAL; Material Document and Classification: ASTM-A216 ASSN STD SINGLE MATERIAL RESPONSE BODY; Valve Size: 4.000 INCHES IN; Special Features: SERVICE,AUX LUBE OIL,S.M.I.C.=AB,ASBESTOS FREE. 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.