# NSN 2940-01-451-9278: Air Cleaner, Intake

NSN 2940-01-451-9278 (also written 2940014519278; NIIN 01-451-9278) is an air cleaner, intake in Federal Supply Class 2940, Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft. 3 manufacturer part numbers from 2 suppliers are on record. It was last purchased in Aug 2026.

## Identification

- NSN: 2940-01-451-9278 (2940014519278)
- NIIN: 01-451-9278 (014519278)
- Item name: AIR CLEANER,INTAKE
- Federal Supply Class: [FSC 2940 Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft](https://nsnexplorer.com/fsc/2940/)
- Federal Supply Group: [FSG 29](https://nsnexplorer.com/group/29/)
- Acquisition method suffix code: AMSC B: must be bought from the sources named on a source control or selected item drawing. (observed 2026-10-28)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| ABKW | OVERALL HEIGHT | INCHES NOMINAL 41.980 |
| AGAV | END ITEM IDENTIFICATION | WEAPON SYSTEM CODE ED, LANDING CRAFT, AIR CUSHIONED (LCAC) |
| AHZV | SUBMERSIBILITY | NONSUBMERSIBLE |
| ALTR | FILTER TYPE | DRY |
| ARYC | AIR CLEANER TYPE | PERMANENT |
| ARYD | ELEMENT REPLACEABILITY | REPLACEABLE |
| ARYG | INLET TYPE | OPEN |
| FEAT | SPECIAL FEATURES | 2ND AND 3RD STAGE FILTER IN MULTI-STAGE FILTER ASSY |
| FTLD | FUNCTIONAL DESCRIPTION | KEEPS SALT WATER SPRAY, SAND, GRASS, AND OTHER SOLID PARTICULATES FROM ENTERING GAS TURBINE ENGINE OF AMPHIBIOUS LANDING CRAFT |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 251-5749994 | 53711 | NAVAL SEA SYSTEMS COMMAND | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 251-5749994-025 | 53711 | NAVAL SEA SYSTEMS COMMAND | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| KSX22-0006 | 18265 | DONALDSON COMPANY, INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-08-27 | [SPE7L126P9AQ5](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=2940014519278) | AIR CLEANER, INTAKE | SEAL DYNAMICS LLC | $63,000.00 |
| 2026-08-12 | [SPE7L126D63JJ](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=2940014519278) | AIR CLEANER, INTAKE | SEAL DYNAMICS LLC | $350,000.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=2940014519278&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=2940014519278
- AMSC record: https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/
- USAspending contract actions (each award above links to its record)
- All data is public U.S. government data; every row above links to its source record where one exists.

Canonical page: https://nsnexplorer.com/nsn/2940-01-451-9278/
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