The Seat,valve, cataloged under National Stock Number 4810-00-337-7152, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. The manufacturer of record is Westinghouse Electric Corp. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4810-00-337-7152 |
| Primary Part Number | 1JH1438PC34 |
| Item Name | Seat,valve |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Manufacturer | Westinghouse Electric Corp |
| Status | ACTIVE |
| Body Outside Diameter | 1.625 INCHES NOMINAL IN |
| Taper Minor Diameter | 0.562 INCHES NOMINAL IN |
| Body Stepped Inside Diameter | 0.781 INCHES NOMINAL FIRST STEP IN |
| Style Designator | PLAIN |
| Material Document and Classification | QQ-S-00763 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| Taper Major Diameter | 0.781 INCHES NOMINAL IN |
| Body Inside Diameter | 0.562 INCHES NOMINAL IN |
| Taper Length | 1.141 INCHES NOMINAL IN |
| Seat Radius | 0.187 INCHES NOMINAL IN |
| Material | STEEL COMP 410 OVERALL |
| Seating Surface Shape | RADIAL |
| 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 |
|---|---|
| 1JH1438PC34 | Westinghouse Electric Corp (USA) |
| 1505628 | Westinghouse Electric Corp (USA) |
| Reference | Meaning |
|---|---|
| 1505628 | 3/9 Design control — primary reference Westinghouse Electric Corp Control Business Unit |
| 1JH1438PC34 | 5/9 Secondary reference Westinghouse Electric Corp Control Business Unit |
| 911C932PC6 | 5/9 Secondary reference Westinghouse Electric Corp |
| H3156358REVBPC34 | 5/2 Secondary reference U.S. Government activity |
| 1JH1438PC34 | 5/2 Secondary reference U.S. Government activity |
| 1505628 | 5/2 Secondary reference U.S. Government activity |
| 911C932PC6 | 5/2 Secondary reference U.S. Government activity |
NSN 4810-00-337-7152 is a Seat,valve, manufactured by Westinghouse Electric Corp, classified under FSC 4810, Valves, Powered. Status: active.
NSN 4810-00-337-7152 has 2 manufacturer part numbers on file: 1JH1438PC34 (Westinghouse Electric Corp), 1505628 (Westinghouse Electric Corp).
Key specifications for 1JH1438PC34: Overall Height: 1.370 INCHES MINIMUM AND 1.380 INCHES MAXIMUM IN; Body Outside Diameter: 1.625 INCHES NOMINAL IN; Taper Minor Diameter: 0.562 INCHES NOMINAL IN; Body Stepped Inside Diameter: 0.781 INCHES NOMINAL FIRST STEP IN. 11 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.