The Filter Element,intake Air Cleane, cataloged under National Stock Number 2940-01-323-8532, 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 Maradyne Corporation. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Item Name | Filter Element,intake Air Cleane |
| FSC / FSG | 2940 — Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft (FSG 29) |
| Manufacturers | Maradyne Corporation (CAGE 0DBY7) |
| Parameter | Value |
|---|---|
| NSN | 2940-01-323-8532 |
| Primary Part Number | R250A9B |
| Item Name | Filter Element,intake Air Cleane |
| FSC / FSG | 2940 / 29 — Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft |
| Manufacturer | Maradyne Corporation |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| R250A9B PRIMARY | Maradyne Corporation (USA) |
| Reference | Meaning |
|---|---|
| 250A9-C | 5/9 Secondary reference United Air Filter, Inc. |
| R250A9B | 5/9 Secondary reference United Air Filter, Inc. |
| R250A9B | 3/9 Design control — primary reference Greenlees Filter Llc |
NSN 2940-01-323-8532 is a Filter Element,intake Air Cleane, manufactured by Maradyne Corporation, classified under FSC 2940, Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft. Status: active.
NSN 2940-01-323-8532 has 1 manufacturer part number on file: R250A9B (Maradyne Corporation).
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.