The Air Cleaner,intake, cataloged under National Stock Number 2940-01-557-3055, 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 Donaldson Company, Inc.. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 2 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 2940-01-557-3055 |
| Primary Part Number | P777639 |
| Item Name | Air Cleaner,intake |
| FSC / FSG | 2940 / 29 — Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft |
| Manufacturer | Donaldson Company, Inc. |
| Status | ACTIVE |
| Filter Type | DRY |
| Element Replaceability | REPLACEABLE |
| Element Type | LOUVERED |
| Quantity | 1 |
| Outside Diameter | 4.270 INCHES NOMINAL IN |
| Inlet Type | OPEN |
| Air Cleaner Type | THROW-AWAY |
| 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 |
|---|---|
| P777639 PRIMARY | Donaldson Company, Inc. (USA) |
| 123148 | Uro Vehiculos Especiales Sa (ESP) |
| Reference | Meaning |
|---|---|
| 2940PL1686345 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 10492060 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| P777639 | 5/9 Secondary reference Cummins South Pacific Pty Ltd Head Office |
NSN 2940-01-557-3055 is a Air Cleaner,intake, manufactured by Donaldson Company, Inc., classified under FSC 2940, Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft. Status: active.
NSN 2940-01-557-3055 has 2 manufacturer part numbers on file: P777639 (Donaldson Company, Inc.), 123148 (Uro Vehiculos Especiales Sa).
2 possible matches (shared part number, not a government interchangeability claim): 2590-01-658-9735, 4010-01-687-4323. Verify interchangeability with system specifications before substitution.
Key specifications for P777639: Overall Height: 15.750 INCHES NOMINAL IN; Filter Type: DRY; Element Replaceability: REPLACEABLE; Element Type: LOUVERED. 7 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.