The Disk,valve, cataloged under National Stock Number 4820-00-334-3849, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Westinghouse Electric Corp. The record lists 19 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 31 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Disk,valve |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Naval Sea Systems Command (CAGE 53711); Westinghouse Electric Corp (CAGE 79500) |
| Parameter | Value |
|---|---|
| NSN | 4820-00-334-3849 |
| Primary Part Number | D2-8488PC109 |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Westinghouse Electric Corp |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| PC461S42-29PC95T097 | Naval Sea Systems Command (USA) |
| D2-8851PC95T097 | Westinghouse Electric Corp (USA) |
| D2-8488PC109 PRIMARY | Westinghouse Electric Corp (USA) |
| AVP10S42-010PC24-25-28 | Naval Sea Systems Command (USA) |
| PC461S42-02PC95T097 | Naval Sea Systems Command (USA) |
| D2-8772PC95T097 | Westinghouse Electric Corp (USA) |
| AVP10S42-090PC389 | Naval Sea Systems Command (USA) |
| PC461S42-32PC109 | Naval Sea Systems Command (USA) |
| AM82S42-177PC95T097 PRIMARY | Naval Sea Systems Command (USA) |
| AVP10S42-09PC30 | Naval Sea Systems Command (USA) |
| PC461S42-07PC109 | Naval Sea Systems Command (USA) |
| AVP10S42-055PC103 | Naval Sea Systems Command (USA) |
| D2-8677PC109 | Westinghouse Electric Corp (USA) |
| S647495 PRIMARY | Westinghouse Electric Corp (USA) |
| AVP10S42-0107PC389 | Naval Sea Systems Command (USA) |
| AVP10S42-604PC98 | Naval Sea Systems Command (USA) |
| AM82S42-182PC109 | Naval Sea Systems Command (USA) |
| PC461S42-206PC109 | Naval Sea Systems Command (USA) |
| D2-8577PC109 PRIMARY | Westinghouse Electric Corp (USA) |
| Reference | Meaning |
|---|---|
| PC461S42-017PC109 | 3/2 Design control — primary reference U.S. Government activity |
| PC578S42-260PC95T097 | 3/2 Design control — primary reference U.S. Government activity |
| PC578S42-149PC95T097 | 3/2 Design control — primary reference U.S. Government activity |
| D2-8877PC109 | 5/9 Secondary reference Usm Corp Sub of Emhart Industries Inc Farrel Co Div |
| AVP10S42-0107PC389 | 5/9 Secondary reference U.S. Government activity |
| S647495 | 5/9 Secondary reference Westinghouse Electric Corp Control Business Unit |
| AVP10S42-604PC98 | 5/9 Secondary reference U.S. Government activity |
| D2-8477PC109 | 5/9 Secondary reference Usm Corp Sub of Emhart Industries Inc Farrel Co Div |
| PC461S42-29PC95T097 | 5/9 Secondary reference U.S. Government activity |
| D2-8851PC95T097 | 5/9 Secondary reference Westinghouse Electric Corp Control Business Unit |
| D2-8577PC109 | 5/9 Secondary reference Westinghouse Electric Corp Control Business Unit |
| D2-7071PC30 | 5/9 Secondary reference Usm Corp Sub of Emhart Industries Inc Farrel Co Div |
| AVP10S42-010PC24-25-28 | 5/9 Secondary reference U.S. Government activity |
| PC578S42-248PC95T097 | 3/2 Design control — primary reference U.S. Government activity |
| D2-8472PC95T097 | 5/9 Secondary reference Usm Corp Sub of Emhart Industries Inc Farrel Co Div |
| D2-8488PC109 | 5/9 Secondary reference Westinghouse Electric Corp Control Business Unit |
| D2-9855PC98 | 5/9 Secondary reference Usm Corp Sub of Emhart Industries Inc Farrel Co Div |
| AM82S42-177PC95T097 | 5/9 Secondary reference U.S. Government activity |
| AVP10S42-09PC30 | 5/9 Secondary reference U.S. Government activity |
| D2-7575PC389 | 5/9 Secondary reference Usm Corp Sub of Emhart Industries Inc Farrel Co Div |
NSN 4820-00-334-3849 is a Disk,valve, manufactured by Westinghouse Electric Corp, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-334-3849 has 19 manufacturer part numbers on file: PC461S42-29PC95T097 (Naval Sea Systems Command), D2-8851PC95T097 (Westinghouse Electric Corp), D2-8488PC109 (Westinghouse Electric Corp), AVP10S42-010PC24-25-28 (Naval Sea Systems Command), PC461S42-02PC95T097 (Naval Sea Systems Command) and 14 more.
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.