The Air Cleaner,intake, cataloged under National Stock Number 2940-01-511-3196, 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 Caterpillar Inc Div Caterpillar Defense. Government technical data includes 5 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2940-01-511-3196 |
| Primary Part Number | 4W-2277 |
| Item Name | Air Cleaner,intake |
| FSC / FSG | 2940 / 29 — Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| Filter Type | DRY |
| Functional Description | ENGINE MODEL NUMBERS 3406B, 3406C, 3306B, AND 3512 |
| Width | 7.000 INCHES NOMINAL IN |
| Material | PLASTIC AND PAPER |
| Submersibility | NONSUBMERSIBLE |
| 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 |
|---|---|
| 4W-2277 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
NSN 2940-01-511-3196 is a Air Cleaner,intake, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 2940, Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft. Status: active.
NSN 2940-01-511-3196 has 1 manufacturer part number on file: 4W-2277 (Caterpillar Inc Div Caterpillar Defense).
Key specifications for 4W-2277: Filter Type: DRY; Overall Length: 9.000 INCHES NOMINAL IN; Special Features: END ITEM: TURBOCHARGER ON ENGINE MODEL NUMBERS 3406B, 3406C, 3306B AND 3512; FILTER HAS PLASTIC BODY AND PAPER FILTER ELEMENT; Functional Description: ENGINE MODEL NUMBERS 3406B, 3406C, 3306B, AND 3512. 5 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.