The Disk,valve, cataloged under National Stock Number 4820-00-175-8378, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Westinghouse Electric Corp. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 9 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-175-8378 |
| Primary Part Number | 29J368PC169 |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Westinghouse Electric Corp |
| Status | ACTIVE |
| Outside Diameter | 0.933 INCHES NOMINAL IN |
| Nominal Thread Size | 0.375 INCHES IN |
| Seat Radius | 0.406 INCHES NOMINAL IN |
| Thread Class | 2A A |
| Material | STEEL CORROSION RESISTING |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| 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 |
|---|---|
| 29J368PC169 PRIMARY | Westinghouse Electric Corp (USA) |
| 29J325PC162 PRIMARY | Westinghouse Electric Corp (USA) |
| 1388718 PRIMARY | Westinghouse Electric Corp (USA) |
| 29J368PC9 PRIMARY | Westinghouse Electric Corp (USA) |
| Reference | Meaning |
|---|---|
| 29J368PC169 | 3/2 Design control — primary reference U.S. Government activity |
| 1388718 | 3/2 Design control — primary reference U.S. Government activity |
| 29J325PC162 | 5/9 Secondary reference Westinghouse Electric Corp Control Business Unit |
| 1388718 | 5/9 Secondary reference U.S. Government activity |
| 29J368PC9 | 5/9 Secondary reference Westinghouse Electric Corp Control Business Unit |
| 1388718 | 5/9 Secondary reference General Electric Company |
| 1388718 | 5/9 Secondary reference Westinghouse Electric Corp Control Business Unit |
| 29J368PC169 | 5/9 Secondary reference Westinghouse Electric Corp Control Business Unit |
| 29J368PC9 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4820-00-175-8378 is a Disk,valve, manufactured by Westinghouse Electric Corp, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-175-8378 has 4 manufacturer part numbers on file: 29J368PC169 (Westinghouse Electric Corp), 29J325PC162 (Westinghouse Electric Corp), 1388718 (Westinghouse Electric Corp), 29J368PC9 (Westinghouse Electric Corp).
Key specifications for 29J368PC169: Overall Height: 2.500 INCHES NOMINAL IN; Outside Diameter: 0.933 INCHES NOMINAL IN; Nominal Thread Size: 0.375 INCHES IN; Seat Radius: 0.406 INCHES NOMINAL IN. 6 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.