The Adapter,filter Head, cataloged under National Stock Number 2940-01-145-9398, is classified within Federal Supply Class 2940 (Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Cummins Inc.. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Adapter,filter Head |
| FSC / FSG | 2940 — Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft (FSG 29) |
| Manufacturers | Oshkosh Defense Llc (CAGE 75Q65); Cummins Ltd (CAGE K4843); Cummins Inc. (CAGE 15434); Am General Llc (CAGE 34623) |
| Parameter | Value |
|---|---|
| NSN | 2940-01-145-9398 |
| Primary Part Number | 303457800 |
| Item Name | Adapter,filter Head |
| FSC / FSG | 2940 / 29 — Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft |
| Manufacturer | Cummins Inc. |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 2AF780 | Oshkosh Defense Llc (USA) |
| 2BF76 | Oshkosh Defense Llc (USA) |
| 3034578 | Cummins Ltd (GBR) |
| 303457800 PRIMARY | Cummins Inc. (USA) |
| 5731078 | Am General Llc (USA) |
| Reference | Meaning |
|---|---|
| 2940011459398 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 3200308 | 5/9 Secondary reference Cummins Inc. |
| 2AF780 | 5/9 Secondary reference Oshkosh Corp |
| 3034578 | 5/9 Secondary reference Cummins Inc. |
| 2BF76 | 5/9 Secondary reference Oshkosh Corp |
NSN 2940-01-145-9398 is a Adapter,filter Head, manufactured by Cummins Inc., classified under FSC 2940, Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft. Status: active.
NSN 2940-01-145-9398 has 5 manufacturer part numbers on file: 2AF780 (Oshkosh Defense Llc), 2BF76 (Oshkosh Defense Llc), 3034578 (Cummins Ltd), 303457800 (Cummins Inc.), 5731078 (Am General Llc).
1 possible match (shared part number, not a government interchangeability claim): 6625-01-321-7557. Verify interchangeability with system specifications before substitution.
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.