The Seat,valve, cataloged under National Stock Number 4810-01-446-6289, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. Government technical data includes 4 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4810-01-446-6289 |
| Item Name | Seat,valve |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Status | ACTIVE |
| Body Outside Diameter | 0.256 INCHES NOMINAL IN |
| Material Document and Classification | AMS 5630 (440C SS) ASSN STD SINGLE MATERIAL RESPONSE SEAT |
| Material | STEEL COMP 440C SEAT |
| 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 |
| Reference | Meaning |
|---|---|
| 441R130 | 3/2 Design control — primary reference U.S. Government activity |
| 441R130I | D/9 Drawing number reference only U.S. Government activity |
NSN 4810-01-446-6289 is a Seat,valve, classified under FSC 4810, Valves, Powered. Status: active.
Key specifications for 4810-01-446-6289: Overall Height: 0.295 INCHES NOMINAL IN; Body Outside Diameter: 0.256 INCHES NOMINAL IN; Material Document and Classification: AMS 5630 (440C SS) ASSN STD SINGLE MATERIAL RESPONSE SEAT; End Item Identification: 1650-01-327-1355;AIRCRAFT,GALAXY C-5. 4 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.