The Filter Element,fluid, cataloged under National Stock Number 2940-01-522-6037, 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 Earth Tools, Inc. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2940-01-522-6037 |
| Primary Part Number | 2175.306 |
| Item Name | Filter Element,fluid |
| FSC / FSG | 2940 / 29 — Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft |
| Manufacturer | Earth Tools, Inc |
| 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 |
|---|---|
| 2175.306 | King Saw and Equipment Co (USA) |
| MTFA11040 | Guinault (FRA) |
| 2175.306 PRIMARY | Earth Tools, Inc (USA) |
| Reference | Meaning |
|---|---|
| 2175.237 | 5/9 Secondary reference Lombardini U.s.a., Inc |
| 2175.268 | 5/9 Secondary reference Lombardini U.s.a., Inc |
| 2175.223 | 5/9 Secondary reference Lombardini U.s.a., Inc |
NSN 2940-01-522-6037 is a Filter Element,fluid, manufactured by Earth Tools, Inc, classified under FSC 2940, Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft. Status: active.
NSN 2940-01-522-6037 has 3 manufacturer part numbers on file: 2175.306 (King Saw and Equipment Co), MTFA11040 (Guinault), 2175.306 (Earth Tools, Inc).
2 possible matches (shared part number, not a government interchangeability claim): 4310-01-570-5328, 2945-01-571-5340. Verify interchangeability with system specifications before substitution.
Key specifications for 2175.306: Special Features: INTAKE AND EXHAUST; Part Name Assigned by Controlling Agency: DRY AIR CLEANER ELEMENT; End Item Identification: NHA: ENGINE 15LD 400. 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.