The Cap Assembly,air Cleaner, cataloged under National Stock Number 2940-01-609-0387, 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.. 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2940-01-609-0387 |
| Primary Part Number | P634418 |
| Item Name | Cap Assembly,air Cleaner |
| FSC / FSG | 2940 / 29 — Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft |
| Manufacturer | Donaldson Company, Inc. |
| 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 |
|---|---|
| P634418 PRIMARY | Donaldson Company, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 4281501 | 7/2 Vendor item drawing reference Oshkosh Defense Llc |
| 4148285 | 5/9 Secondary reference Oshkosh Defense Llc |
| P608180 | 5/9 Secondary reference Donaldson Company, Inc. |
| P608180 | 5/9 Secondary reference Donaldson Co Inc Torit Div |
NSN 2940-01-609-0387 is a Cap Assembly,air Cleaner, manufactured by Donaldson Company, Inc., classified under FSC 2940, Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft. Status: active.
NSN 2940-01-609-0387 has 1 manufacturer part number on file: P634418 (Donaldson Company, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 2940-01-616-7294. Verify interchangeability with system specifications before substitution.
Key specifications for P634418: End Item Identification: MRAP - M-ATV. 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.