The Seat,valve, cataloged under National Stock Number 4810-01-643-6908, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. The manufacturer of record is W. & O. Supply, Inc. Div W&o Norfolk. Government technical data includes 1 specification, 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 | 4810-01-643-6908 |
| Primary Part Number | 331507.800-PTFE SEAT |
| Item Name | Seat,valve |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Manufacturer | W. & O. Supply, Inc. Div W&o Norfolk |
| Status | ACTIVE |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE SEAT |
| 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 |
|---|---|
| 331507.800-PTFE SEAT PRIMARY | W. & O. Supply, Inc. Div W&o Norfolk (USA) |
NSN 4810-01-643-6908 is a Seat,valve, manufactured by W. & O. Supply, Inc. Div W&o Norfolk, classified under FSC 4810, Valves, Powered. Status: active.
NSN 4810-01-643-6908 has 1 manufacturer part number on file: 331507.800-PTFE SEAT (W. & O. Supply, Inc. Div W&o Norfolk).
Key specifications for 331507.800-PTFE SEAT: Part Name Assigned by Controlling Agency: SEAT; End Item Identification: 1905-01-154-1191; Material: PLASTIC POLYTETRAFLUOROETHYLENE SEAT. 1 specification is 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.