The Filter Element,intake Air Cleane, cataloged under National Stock Number 2940-01-203-8606, 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 Honeywell International Inc Dba Honeywell Div Consumer Products Group. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 7 manufacturer part numbers 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 2940-01-203-8606 |
| Primary Part Number | CA3633 |
| Item Name | Filter Element,intake Air Cleane |
| FSC / FSG | 2940 / 29 — Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft |
| Manufacturer | Honeywell International Inc Dba Honeywell Div Consumer Products Group |
| Status | ACTIVE |
| Filtering Media Design | PLEATED SINGLE FILTERING MEDIA RESPONSE |
| Body Diameter | 6.860 INCHES NOMINAL IN |
| Body Overall Length | 12.281 INCHES NOMINAL IN |
| Design Type | LIMITED |
| Style Designator | CYLINDRICAL W/CLOSED ENDS |
| Body Inside Diameter | 4.202 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 |
|---|---|
| CA3633 PRIMARY | Honeywell International Inc Dba Honeywell Div Consumer Products Group (USA) |
| PA2498 PRIMARY | Baldwin Filters (USA) |
| 6501 | Genuine Parts Company Div Automotive Parts Group, Dba Napa (USA) |
| 46501 | Wix Corp (USA) |
| P18-1129 | Donaldson Company, Inc. (USA) |
| 6P6664 | Caterpillar Inc Div Caterpillar Defense (USA) |
| AF1609 PRIMARY | Cummins Filtration Inc Dba Fleetguard Div Cummins Inc (USA) |
| Reference | Meaning |
|---|---|
| A881C | 5/9 Secondary reference General Motors Llc Dba General Motors |
| 6501 | 5/9 Secondary reference National Automotive Parts Assn/napa/ |
| IPDP6664 | 5/9 Secondary reference Industrial Parts Depot, Llc Dba Ipd |
| A881C | C/1 Advisory reference — outside the item-of-supply concept General Motors Llc Dba General Motors Llc |
NSN 2940-01-203-8606 is a Filter Element,intake Air Cleane, manufactured by Honeywell International Inc Dba Honeywell Div Consumer Products Group, classified under FSC 2940, Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft. Status: active.
NSN 2940-01-203-8606 has 7 manufacturer part numbers on file: CA3633 (Honeywell International Inc Dba Honeywell Div Consumer Products Group), PA2498 (Baldwin Filters), 6501 (Genuine Parts Company Div Automotive Parts Group, Dba Napa), 46501 (Wix Corp), P18-1129 (Donaldson Company, Inc.) and 2 more.
2 possible matches (shared part number, not a government interchangeability claim): 4820-01-320-0168, 5998-01-649-3702. Verify interchangeability with system specifications before substitution.
Key specifications for CA3633: Filtering Media Design: PLEATED SINGLE FILTERING MEDIA RESPONSE; Body Diameter: 6.860 INCHES NOMINAL IN; Body Overall Length: 12.281 INCHES NOMINAL IN; Design Type: LIMITED. 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.