The Filter Element,intake Air Cleane, cataloged under National Stock Number 2940-00-502-2807, 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 Illinois Tool Works Inc.. Government technical data includes 8 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 2940-00-502-2807 |
| Primary Part Number | 29-158 |
| Item Name | Filter Element,intake Air Cleane |
| FSC / FSG | 2940 / 29 — Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft |
| Manufacturer | Illinois Tool Works Inc. |
| Status | ACTIVE |
| Maximum Air Flow Rate | 3250.0 CUBIC FEET PER MINUTE |
| Filtering Media Design | LAYERED SECOND FILTERING MEDIA RESPONSE |
| Filtering Media Design | EXPANDED FIRST FILTERING MEDIA RESPONSE |
| Body Overall Length | 25.000 INCHES NOMINAL IN |
| Design Type | NONREUSABLE |
| Style Designator | RECTANGULAR (INCL SQUARE) |
| Material | FIBER FILTERING MEDIUM |
| Body Thickness | 1.000 INCHES NOMINAL IN |
| 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 |
|---|---|
| 29-158 PRIMARY | Illinois Tool Works Inc. (USA) |
| Reference | Meaning |
|---|---|
| DF-4010-2 | 5/9 Secondary reference Illinois Tool Works Inc. |
| DF-401D-2 | 5/9 Secondary reference Illinois Tool Works Inc. |
| 23836-723 | 5/9 Secondary reference Illinois Tool Works Inc. |
| DF-4010-K24 | 5/9 Secondary reference Illinois Tool Works Inc. |
NSN 2940-00-502-2807 is a Filter Element,intake Air Cleane, manufactured by Illinois Tool Works Inc., classified under FSC 2940, Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft. Status: active.
NSN 2940-00-502-2807 has 1 manufacturer part number on file: 29-158 (Illinois Tool Works Inc.).
2 possible matches (shared part number, not a government interchangeability claim): 3830-00-573-1690, 6520-01-530-5510. Verify interchangeability with system specifications before substitution.
Key specifications for 29-158: Maximum Air Flow Rate: 3250.0 CUBIC FEET PER MINUTE; Filtering Media Design: LAYERED SECOND FILTERING MEDIA RESPONSE; Filtering Media Design: EXPANDED FIRST FILTERING MEDIA RESPONSE; Body Overall Length: 25.000 INCHES NOMINAL IN. 8 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.