The Seat,valve, cataloged under National Stock Number 4810-00-262-3111, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. The manufacturer of record is Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp. Government technical data includes 10 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4810-00-262-3111 |
| Primary Part Number | 65251-08012-102 |
| Item Name | Seat,valve |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Manufacturer | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
| Status | ACTIVE |
| Flange Seat to Disk End Height | 0.100 INCHES NOMINAL IN |
| Flange Diameter | 4.430 INCHES NOMINAL IN |
| FSC Application Data | LANDING GEAR,RETRACTABLE,ACFT |
| Body Outside Diameter | 4.290 INCHES NOMINAL IN |
| Style Designator | PLAIN FLANGED |
| Material Document and Classification | MIL-T-6736 COMP 4130 TYPE 1,COND HT 150 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Body Inside Diameter | 4.122 INCHES MINIMUM AND 4.127 INCHES MAXIMUM IN |
| Under Flange Height | 0.400 INCHES NOMINAL IN |
| Material | STEEL 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 |
|---|---|
| 65251-08012-102 PRIMARY | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
NSN 4810-00-262-3111 is a Seat,valve, manufactured by Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp, classified under FSC 4810, Valves, Powered. Status: active.
NSN 4810-00-262-3111 has 1 manufacturer part number on file: 65251-08012-102 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp).
Key specifications for 65251-08012-102: Flange Seat to Disk End Height: 0.100 INCHES NOMINAL IN; Flange Diameter: 4.430 INCHES NOMINAL IN; FSC Application Data: LANDING GEAR,RETRACTABLE,ACFT; Body Outside Diameter: 4.290 INCHES NOMINAL IN. 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.