The Air Cleaner,intake, cataloged under National Stock Number 2940-00-407-0462, 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 Dressta North America Ltd. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2940-00-407-0462 |
| Primary Part Number | 321262R91 |
| Item Name | Air Cleaner,intake |
| FSC / FSG | 2940 / 29 — Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft |
| Manufacturer | Dressta North America Ltd |
| Status | ACTIVE |
| Integral Clamp | NOT INCLUDED |
| Filter Type | DRY |
| Element Replaceability | NONREPLACEABLE |
| Element Type | LOUVERED |
| Backfire Valve | NOT INCLUDED |
| Remote Location Inlet Adapter | NOT INCLUDED |
| Outlet Sleeve Type | PROTRUDING |
| Quantity | 1 |
| Outside Diameter | 11.000 INCHES NOMINAL IN |
| Outlet Type | SLEEVE |
| Pressure Relief Valve | NOT INCLUDED |
| Inlet Type | OPEN |
| Material | STEEL |
| Air Cleaner Type | PERMANENT |
| Submersibility | NONSUBMERSIBLE |
| Outlet Location | BOTTOM OF CLEANER |
| Mounting Outside Diameter | 4.250 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 |
|---|---|
| 321262R91 PRIMARY | Dressta North America Ltd (USA) |
| 321262R91 | Komatsu America Corp. (USA) |
| Reference | Meaning |
|---|---|
| 321262R91 | 5/9 Secondary reference U.S. Government activity |
| 149937H1 | 5/9 Secondary reference Komatsu American Intl Co |
| 149937H1 | 5/9 Secondary reference Navistar International Corporation Dba Navistar |
| 149937H1 | 5/9 Secondary reference U.S. Government activity |
| 321262R91 | 5/9 Secondary reference Navistar International Corporation Dba Navistar |
| 149937H1 | 5/9 Secondary reference R. D. Mathis Company |
| 149937 | 5/9 Secondary reference U.S. Government activity |
| 321262R91 | 5/9 Secondary reference Komatsu American Intl Co |
NSN 2940-00-407-0462 is a Air Cleaner,intake, manufactured by Dressta North America Ltd, classified under FSC 2940, Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft. Status: active.
NSN 2940-00-407-0462 has 2 manufacturer part numbers on file: 321262R91 (Dressta North America Ltd), 321262R91 (Komatsu America Corp.).
Key specifications for 321262R91: Overall Height: 9.000 INCHES NOMINAL IN; Integral Clamp: NOT INCLUDED; Filter Type: DRY; Element Replaceability: NONREPLACEABLE. 17 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.