The Seat,valve, cataloged under National Stock Number 4820-01-286-8621, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Wheeler Fleet Solutions, Co.. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4820-01-286-8621 |
| Primary Part Number | NC395947 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Wheeler Fleet Solutions, Co. |
| Status | ACTIVE |
| Material | NICKEL 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 |
|---|---|
| NC395947 | Leslie Controls, Inc. Dba Leslie Controls Inc (USA) |
| NC395947 PRIMARY | Wheeler Fleet Solutions, Co. (USA) |
| Reference | Meaning |
|---|---|
| 424-18-02-029Q-0C4Z | 5/9 Secondary reference Circor Intl Inc |
| 024-18-02-0290-0C42 | 5/9 Secondary reference Circor Intl Inc |
NSN 4820-01-286-8621 is a Seat,valve, manufactured by Wheeler Fleet Solutions, Co., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-286-8621 has 2 manufacturer part numbers on file: NC395947 (Leslie Controls, Inc. Dba Leslie Controls Inc), NC395947 (Wheeler Fleet Solutions, Co.).
1 possible match (shared part number, not a government interchangeability claim): 4810-01-349-7333. Verify interchangeability with system specifications before substitution.
Key specifications for NC395947: Special Features: SECONDARY; Material: NICKEL 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.