The Air Cleaner,intake, cataloged under National Stock Number 2940-01-317-3943, 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 Cummins Filtration Inc.. Government technical data includes 20 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 2940-01-317-3943 |
| Primary Part Number | 77518-N |
| Item Name | Air Cleaner,intake |
| FSC / FSG | 2940 / 29 — Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft |
| Manufacturer | Cummins Filtration Inc. |
| Status | ACTIVE |
| Integral Clamp | NOT INCLUDED |
| Sleeve Flange Shape | ROUND |
| Filter Type | DRY |
| Element Replaceability | REPLACEABLE |
| Sleeve Flange Mounting Provision Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Remote Location Inlet Adapter | NOT INCLUDED |
| Outlet Sleeve Type | PROTRUDING |
| Sleeve Flange Mounting Provision and Quantity | 12 HOLES |
| Quantity | 1 |
| Outside Diameter | 8.500 INCHES NOMINAL IN |
| Outlet Type | SLEEVE |
| Sleeve Flange Mounting Provision Thread Size | 1/4-20 |
| Sleeve Flange Mounting Provision Spacing | EQUALLY SPACED ON A 7.250 IN. DIA BOLT CIRCLE IN |
| Pressure Relief Valve | NOT INCLUDED |
| Inlet Type | SLEEVE |
| Air Cleaner Type | PERMANENT |
| Submersibility | NONSUBMERSIBLE |
| Sleeve Flange Mounting Provision Thread Direction | RIGHT-HAND |
| Outlet Location | TOP OF CLEANER |
| Mounting Outside Diameter | 2.750 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 |
|---|---|
| 77518-N PRIMARY | Cummins Filtration Inc. (USA) |
| Reference | Meaning |
|---|---|
| 91604 | 5/2 Secondary reference U.S. Government activity |
NSN 2940-01-317-3943 is a Air Cleaner,intake, manufactured by Cummins Filtration Inc., classified under FSC 2940, Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft. Status: active.
NSN 2940-01-317-3943 has 1 manufacturer part number on file: 77518-N (Cummins Filtration Inc.).
1 possible match (shared part number, not a government interchangeability claim): 5998-01-647-7465. Verify interchangeability with system specifications before substitution.
Key specifications for 77518-N: Overall Height: 19.000 INCHES NOMINAL IN; Integral Clamp: NOT INCLUDED; Sleeve Flange Shape: ROUND; Filter Type: DRY. 20 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.