The Filter Element,intake Air Cleane, cataloged under National Stock Number 2940-01-455-4544, 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 Caterpillar Inc Div Caterpillar Defense. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 2940-01-455-4544 |
| Primary Part Number | 6I2505 |
| Item Name | Filter Element,intake Air Cleane |
| FSC / FSG | 2940 / 29 — Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| 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 |
|---|---|
| 6I2505 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
| 6593 | Genuine Parts Company Div Automotive Parts Group, Dba Napa (USA) |
| 46593 PRIMARY | Wix Corp (USA) |
| Reference | Meaning |
|---|---|
| 6593 | 5/9 Secondary reference National Automotive Parts Assn/napa/ |
NSN 2940-01-455-4544 is a Filter Element,intake Air Cleane, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 2940, Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft. Status: active.
NSN 2940-01-455-4544 has 3 manufacturer part numbers on file: 6I2505 (Caterpillar Inc Div Caterpillar Defense), 6593 (Genuine Parts Company Div Automotive Parts Group, Dba Napa), 46593 (Wix Corp).
2 possible matches (shared part number, not a government interchangeability claim): 6515-01-561-2543, 5977-01-573-1264. Verify interchangeability with system specifications before substitution.
Key specifications for 6I2505: Special Features: 6I2589 AIR CLEANER GP ELEMENT AS-PRIMARY. 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.