The Cooler,lubricating Oil,engine, cataloged under National Stock Number 2930-01-206-7056, is classified within Federal Supply Class 2930 (Engine Cooling System Components, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Boyd Niagara, Llc. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 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 | 2930-01-206-7056 |
| Primary Part Number | 20041A |
| Item Name | Cooler,lubricating Oil,engine |
| FSC / FSG | 2930 / 29 — Engine Cooling System Components, Nonaircraft |
| Manufacturer | Boyd Niagara, Llc |
| Status | ACTIVE |
| Drain Plug Location | SIDE |
| Material | ALUMINUM OVERALL |
| 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 |
|---|---|
| 20041A PRIMARY | Boyd Niagara, Llc (USA) |
NSN 2930-01-206-7056 is a Cooler,lubricating Oil,engine, manufactured by Boyd Niagara, Llc, classified under FSC 2930, Engine Cooling System Components, Nonaircraft. Status: active.
NSN 2930-01-206-7056 has 1 manufacturer part number on file: 20041A (Boyd Niagara, Llc).
1 possible match (shared part number, not a government interchangeability claim): 5340-01-640-8057. Verify interchangeability with system specifications before substitution.
Key specifications for 20041A: Drain Plug Location: SIDE; End Item Identification: AICRAFT MODEL H-2; Material: ALUMINUM OVERALL. 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.