The Seat,valve, cataloged under National Stock Number 4810-01-480-1312, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4810-01-480-1312 |
| Primary Part Number | 845-7108795 ITEM 4 |
| Item Name | Seat,valve |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Body Outside Diameter | 3.635 INCHES MAXIMUM IN |
| Style Designator | PLAIN |
| Body Inside Diameter | 6.133 INCHES MAXIMUM IN |
| Seat Radius | 0.038 INCHES NOMINAL IN |
| Material | TITANIUM SEAT |
| Seat Angle in Deg | 0.750 NOMINAL |
| 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 |
|---|---|
| 845-7108795 ITEM 4 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 2643-820-12 ITEM 4 | 5/1 Secondary reference U.S. Government activity |
NSN 4810-01-480-1312 is a Seat,valve, manufactured by Naval Sea Systems Command, classified under FSC 4810, Valves, Powered. Status: active.
NSN 4810-01-480-1312 has 1 manufacturer part number on file: 845-7108795 ITEM 4 (Naval Sea Systems Command).
Key specifications for 845-7108795 ITEM 4: Overall Height: 7.625 INCHES MAXIMUM IN; Body Outside Diameter: 3.635 INCHES MAXIMUM IN; Style Designator: PLAIN; Body Inside Diameter: 6.133 INCHES MAXIMUM IN. 7 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.