The Seat,valve, cataloged under National Stock Number 4810-01-473-4117, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. The manufacturer of record is Automatic Switch Company Dba Asco. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4810-01-473-4117 |
| Primary Part Number | FV87-454-2 |
| Item Name | Seat,valve |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Manufacturer | Automatic Switch Company Dba Asco |
| Status | ACTIVE |
| Material | COPPER ALLOY 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 |
|---|---|
| AV214-912-2ITEM10A | Automatic Switch Company Dba Asco (USA) |
| FV87-454-2 PRIMARY | Automatic Switch Company Dba Asco (USA) |
| Reference | Meaning |
|---|---|
| AV214-912 | D/9 Drawing number reference only Automatic Switch Company Dba Asco |
NSN 4810-01-473-4117 is a Seat,valve, manufactured by Automatic Switch Company Dba Asco, classified under FSC 4810, Valves, Powered. Status: active.
NSN 4810-01-473-4117 has 2 manufacturer part numbers on file: AV214-912-2ITEM10A (Automatic Switch Company Dba Asco), FV87-454-2 (Automatic Switch Company Dba Asco).
1 possible match (shared part number, not a government interchangeability claim): 4810-01-473-4432. Verify interchangeability with system specifications before substitution.
Key specifications for FV87-454-2: Special Features: VALVE,SOLENOID; End Item Identification: MOORED TRAINING SHIP; Material: COPPER ALLOY 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.