The Valve,reducing, cataloged under National Stock Number 4820-00-331-8802, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-331-8802 |
| Primary Part Number | WA4691 |
| Item Name | Valve,reducing |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| WA4691 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| LD281005 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| BUWEPS LD281005 PRIMARY | United States Department of the Navy Dba Naval Undersea Warfare Ctr Div (USA) |
NSN 4820-00-331-8802 is a Valve,reducing, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-331-8802 has 3 manufacturer part numbers on file: WA4691 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), LD281005 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), BUWEPS LD281005 (United States Department of the Navy Dba Naval Undersea Warfare Ctr Div).
Key specifications for WA4691: End Item Identification: TORPEDO TOOLS AND WORKSHOP EQUIPMENT. 0 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.
NSN 4820-00-331-8802 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.