The Filter Element,intake Air Cleane, cataloged under National Stock Number 2940-01-168-2086, 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 Maradyne Corporation. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 4 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 2940-01-168-2086 |
| Primary Part Number | W250D23 |
| Item Name | Filter Element,intake Air Cleane |
| FSC / FSG | 2940 / 29 — Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft |
| Manufacturer | Maradyne Corporation |
| Status | ACTIVE |
| Filtering Media Design | PLEATED SINGLE FILTERING MEDIA RESPONSE |
| Body Diameter | 9.040 INCHES NOMINAL IN |
| Body Overall Length | 16.412 INCHES NOMINAL IN |
| Design Type | REUSABLE |
| Style Designator | CYLINDRICAL W/OUT CONTAINER |
| Body Inside Diameter | 5.700 INCHES NOMINAL IN |
| Material | PAPER FILTERING MEDIUM |
| 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 |
|---|---|
| W250D23 PRIMARY | Maradyne Corporation (USA) |
| CA2512 PRIMARY | Honeywell International Inc Dba Honeywell Div Consumer Products Group (USA) |
| AF-3143 PRIMARY | Arvinmeritor Inc (USA) |
| 42757 PRIMARY | Wix Corp (USA) |
| Reference | Meaning |
|---|---|
| E-111D2 | D/9 Drawing number reference only United Air Filter, Inc. |
| W250D23 | 5/9 Secondary reference Greenlees Filter Llc |
| 250D23-S | 5/9 Secondary reference United Air Filter, Inc. |
NSN 2940-01-168-2086 is a Filter Element,intake Air Cleane, manufactured by Maradyne Corporation, classified under FSC 2940, Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft. Status: active.
NSN 2940-01-168-2086 has 4 manufacturer part numbers on file: W250D23 (Maradyne Corporation), CA2512 (Honeywell International Inc Dba Honeywell Div Consumer Products Group), AF-3143 (Arvinmeritor Inc), 42757 (Wix Corp).
3 possible matches (shared part number, not a government interchangeability claim): 2940-01-170-2577, 5962-01-178-2414, 5998-01-240-8236. Verify interchangeability with system specifications before substitution.
Key specifications for W250D23: Filtering Media Design: PLEATED SINGLE FILTERING MEDIA RESPONSE; Body Diameter: 9.040 INCHES NOMINAL IN; Body Overall Length: 16.412 INCHES NOMINAL IN; Design Type: REUSABLE. 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.