The Seat,valve, cataloged under National Stock Number 4820-01-263-7178, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Cummins Inc.. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-263-7178 |
| Primary Part Number | 390685400 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Cummins Inc. |
| Status | ACTIVE |
| Style Designator | PLAIN |
| 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 |
| Part Number | Manufacturer |
|---|---|
| J906854 | Cnh Industrial America Llc Dba Cnh America (USA) |
| 390685400 PRIMARY | Cummins Inc. (USA) |
| CBU1328 | Leyland Trucks Ltd (for Spare Parts See U6425) (GBR) |
| Reference | Meaning |
|---|---|
| 4820PL0826224 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 3906854 | 5/9 Secondary reference Grove U.s. Llc Dba Grove Us Llc |
| 3906854 | 5/9 Secondary reference Cummins Inc. |
NSN 4820-01-263-7178 is a Seat,valve, manufactured by Cummins Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-263-7178 has 3 manufacturer part numbers on file: J906854 (Cnh Industrial America Llc Dba Cnh America), 390685400 (Cummins Inc.), CBU1328 (Leyland Trucks Ltd (for Spare Parts See U6425)).
Key specifications for 390685400: Style Designator: PLAIN; End Item Identification: 3810-01-165-0647; Seating Surface Shape: FLAT. 2 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.