The Seat,valve, cataloged under National Stock Number 4810-01-031-8513, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 5 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 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4810-01-031-8513 |
| Primary Part Number | 2510149 |
| Item Name | Seat,valve |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Body Outside Diameter | 0.747 INCHES NOMINAL IN |
| Style Designator | PLAIN |
| Body Inside Diameter | 0.443 INCHES NOMINAL IN |
| Material | STEEL COMP 17-4PH OVERALL |
| Seating Surface Shape | FLAT |
| 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 |
|---|---|
| 2510149 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
NSN 4810-01-031-8513 is a Seat,valve, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 4810, Valves, Powered. Status: active.
NSN 4810-01-031-8513 has 1 manufacturer part number on file: 2510149 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
1 possible match (shared part number, not a government interchangeability claim): 3805-01-037-5921. Verify interchangeability with system specifications before substitution.
Key specifications for 2510149: Overall Height: 0.156 INCHES NOMINAL IN; Body Outside Diameter: 0.747 INCHES NOMINAL IN; Style Designator: PLAIN; Body Inside Diameter: 0.443 INCHES NOMINAL IN. 5 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.