The Air Cleaner,intake, cataloged under National Stock Number 2940-00-102-2986, 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 Komatsu America Corp.. Government technical data includes 16 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2940-00-102-2986 |
| Primary Part Number | 257883C91 |
| Item Name | Air Cleaner,intake |
| FSC / FSG | 2940 / 29 — Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft |
| Manufacturer | Komatsu America Corp. |
| Status | ACTIVE |
| Integral Clamp | INCLUDED |
| Filter Type | DRY |
| Element Replaceability | NONREPLACEABLE |
| Element Type | SCREEN |
| Backfire Valve | NOT INCLUDED |
| Remote Location Inlet Adapter | NOT INCLUDED |
| Outlet Sleeve Type | PROTRUDING |
| Quantity | 1 |
| Outside Diameter | 9.500 INCHES NOMINAL IN |
| Pressure Relief Valve | NOT INCLUDED |
| Inlet Type | OPEN |
| Material | STEEL |
| Air Cleaner Type | PERMANENT |
| Submersibility | NONSUBMERSIBLE |
| Outlet Location | CENTRALLY LOCATED AT BOTTOM OF CLEANER |
| Mounting Outside Diameter | 5.125 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 |
|---|---|
| 257883C91 | Komatsu America Corp. (USA) |
| Reference | Meaning |
|---|---|
| 257883C91 | 3/9 Design control — primary reference Komatsu American Intl Co |
| 603957C91 | 5/9 Secondary reference Komatsu American Intl Co |
| 257883C91 | 5/9 Secondary reference U.S. Government activity |
NSN 2940-00-102-2986 is a Air Cleaner,intake, manufactured by Komatsu America Corp., classified under FSC 2940, Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft. Status: active.
NSN 2940-00-102-2986 has 1 manufacturer part number on file: 257883C91 (Komatsu America Corp.).
Key specifications for 257883C91: Overall Height: 4.875 INCHES NOMINAL IN; Integral Clamp: INCLUDED; Filter Type: DRY; Element Replaceability: NONREPLACEABLE. 16 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.