The Air Cleaner,intake, cataloged under National Stock Number 2940-00-231-7252, 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 Miller Electric Mfg. Llc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2940-00-231-7252 |
| Primary Part Number | 040489 |
| Item Name | Air Cleaner,intake |
| FSC / FSG | 2940 / 29 — Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft |
| Manufacturer | Miller Electric Mfg. Llc |
| Status | ACTIVE |
| Integral Clamp | NOT INCLUDED |
| Filter Type | OIL BATH |
| Element Replaceability | REPLACEABLE |
| Element Type | FREE FLOW |
| Backfire Valve | NOT INCLUDED |
| Remote Location Inlet Adapter | NOT INCLUDED |
| Outlet Sleeve Type | PROTRUDING |
| Quantity | 1 |
| Outlet Type | SLEEVE |
| Pressure Relief Valve | NOT INCLUDED |
| Inlet Type | OPEN |
| Material | STEEL |
| Air Cleaner Type | PERMANENT |
| Submersibility | NONSUBMERSIBLE |
| Outlet Location | END OF CLEANER |
| Mounting Outside Diameter | 2.000 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 |
|---|---|
| 040489 PRIMARY | Miller Electric Mfg. Llc (USA) |
| Reference | Meaning |
|---|---|
| 040489 | 3/9 Design control — primary reference Miller Electric Mfg. Co. |
NSN 2940-00-231-7252 is a Air Cleaner,intake, manufactured by Miller Electric Mfg. Llc, classified under FSC 2940, Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft. Status: active.
NSN 2940-00-231-7252 has 1 manufacturer part number on file: 040489 (Miller Electric Mfg. Llc).
2 possible matches (shared part number, not a government interchangeability claim): 5330-01-267-6081, 6550-01-521-0124. Verify interchangeability with system specifications before substitution.
Key specifications for 040489: Integral Clamp: NOT INCLUDED; Filter Type: OIL BATH; Element Replaceability: REPLACEABLE; Element Type: FREE FLOW. 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.