The Seat,valve, cataloged under National Stock Number 4810-00-337-7151, 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 10 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4810-00-337-7151 |
| Primary Part Number | 1505627 |
| 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 | 0.688 INCHES NOMINAL IN |
| Style Designator | PLAIN |
| Material Document and Classification | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE SEAT |
| Taper Major Diameter | 0.968 INCHES NOMINAL IN |
| Body Inside Diameter | 0.968 INCHES NOMINAL IN |
| Taper Length | 1.750 INCHES NOMINAL IN |
| Seat Radius | 0.125 INCHES NOMINAL IN |
| Material | STEEL COMP 304 SEAT |
| 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 |
|---|---|
| 1505627 | Westinghouse Electric Corp (USA) |
| H3156358 REV B P1ECE 33 | Naval Sea Systems Command (USA) |
| 1JH1438 PIECE 33 | Westinghouse Electric Corp (USA) |
| Reference | Meaning |
|---|---|
| 1505627 | 3/2 Design control — primary reference U.S. Government activity |
| 1505627 | 5/9 Secondary reference Westinghouse Electric Corp Control Business Unit |
| 1JH1438PC33 | 5/9 Secondary reference Westinghouse Electric Corp Control Business Unit |
| 1JH1438PC33 | 5/2 Secondary reference U.S. Government activity |
| 1JH1438PC33 | 5/9 Secondary reference Forway Industries Inc |
NSN 4810-00-337-7151 is a Seat,valve, manufactured by Westinghouse Electric Corp, classified under FSC 4810, Valves, Powered. Status: active.
NSN 4810-00-337-7151 has 3 manufacturer part numbers on file: 1505627 (Westinghouse Electric Corp), H3156358 REV B P1ECE 33 (Naval Sea Systems Command), 1JH1438 PIECE 33 (Westinghouse Electric Corp).
Key specifications for 1505627: Overall Height: 1.375 INCHES NOMINAL IN; Body Outside Diameter: 1.625 INCHES NOMINAL IN; Taper Minor Diameter: 0.688 INCHES NOMINAL IN; Style Designator: PLAIN. 10 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.