The Seat,mechanical Seal, cataloged under National Stock Number 2010-01-517-5290, is classified within Federal Supply Class 2010 (Ship and Boat Propulsion Components) of the Ship and Marine Equipment group. The manufacturer of record is W S Darley & Co Div Darley Pump Division. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 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 | 2010-01-517-5290 |
| Primary Part Number | 1840901 |
| Item Name | Seat,mechanical Seal |
| FSC / FSG | 2010 / 20 — Ship and Boat Propulsion Components |
| Manufacturer | W S Darley & Co Div Darley Pump Division |
| Status | ACTIVE |
| 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 |
|---|---|
| 1840901 PRIMARY | W S Darley & Co Div Darley Pump Division (USA) |
NSN 2010-01-517-5290 is a Seat,mechanical Seal, manufactured by W S Darley & Co Div Darley Pump Division, classified under FSC 2010, Ship and Boat Propulsion Components. Status: active.
NSN 2010-01-517-5290 has 1 manufacturer part number on file: 1840901 (W S Darley & Co Div Darley Pump Division).
1 possible match (shared part number, not a government interchangeability claim): 5940-01-580-6631. Verify interchangeability with system specifications before substitution.
Key specifications for 1840901: End Item Identification: 4210-01-486-1035;TRUCK,FIRE FIGHTING. 0 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.