The Seat,valve, cataloged under National Stock Number 4810-00-565-4595, 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 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4810-00-565-4595 |
| Primary Part Number | 1429564 |
| 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 | 4.497 INCHES MINIMUM AND 4.499 INCHES MAXIMUM IN |
| Style Designator | PLAIN |
| Material Document and Classification | QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE BODY |
| Body Inside Diameter | 2.735 INCHES MINIMUM AND 2.765 INCHES MAXIMUM IN |
| Material | NICKEL ALLOY BODY |
| Seat Angle in Deg | 45.000 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 |
|---|---|
| BUWEPSDWG1429564 | Navsurfwarcen Det Picatinny (USA) |
| 1429564 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| BUWEPSDWG1429564 | 5/9 Secondary reference Department of the Navy Naval Surface Warfare Center Crane Detachment |
NSN 4810-00-565-4595 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 4810-00-565-4595 has 2 manufacturer part numbers on file: BUWEPSDWG1429564 (Navsurfwarcen Det Picatinny), 1429564 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 1429564: Overall Height: 0.792 INCHES MINIMUM AND 0.802 INCHES MAXIMUM IN; Body Outside Diameter: 4.497 INCHES MINIMUM AND 4.499 INCHES MAXIMUM IN; Style Designator: PLAIN; Material Document and Classification: QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE BODY. 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.