The Seat,valve, cataloged under National Stock Number 4810-01-520-7909, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. The manufacturer of record is Leslie Controls, Inc. Dba Leslie Controls Inc. Government technical data includes 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4810-01-520-7909 |
| Primary Part Number | N816480058 |
| Item Name | Seat,valve |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Manufacturer | Leslie Controls, Inc. Dba Leslie Controls Inc |
| Status | ACTIVE |
| Style Designator | THREADED FLANGED |
| Material | STEEL CORROSION RESISTING OVERALL |
| 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 |
|---|---|
| N816480058 PRIMARY | Leslie Controls, Inc. Dba Leslie Controls Inc (USA) |
| 35704N P/N N816480058 | Leslie Controls, Inc. Dba Leslie Controls Inc (USA) |
| Reference | Meaning |
|---|---|
| 35704N | D/9 Drawing number reference only Leslie Controls, Inc. Dba Leslie Controls Inc |
NSN 4810-01-520-7909 is a Seat,valve, manufactured by Leslie Controls, Inc. Dba Leslie Controls Inc, classified under FSC 4810, Valves, Powered. Status: active.
NSN 4810-01-520-7909 has 2 manufacturer part numbers on file: N816480058 (Leslie Controls, Inc. Dba Leslie Controls Inc), 35704N P/N N816480058 (Leslie Controls, Inc. Dba Leslie Controls Inc).
Key specifications for N816480058: Style Designator: THREADED FLANGED; Special Features: SEAT IS SST STELL; THREADED 3-1/4-14-NS; End Item Identification: 4820-01-520-3935 DIAPHRAGM STOP VALVE, WITH 85R ACTUATOR AND H.O.D.; Material: STEEL CORROSION RESISTING OVERALL. 3 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.