# NSN 2940-00-421-1601: Duct, Air Cleaner

NSN 2940-00-421-1601 (also written 2940004211601; NIIN 00-421-1601) is a duct, air cleaner in Federal Supply Class 2940, Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft. 2 manufacturer part numbers from 2 suppliers are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 2940-00-421-1601 (2940004211601)
- NIIN: 00-421-1601 (004211601)
- Item name: DUCT,AIR CLEANER
- 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 G: the government has a complete data package and the rights to use it. (observed 2026-10-10)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| TEXT | GENERAL CHARACTERISTICS ITEM DESCRIPTION | ALUMINUM TUBING,WW-T-787,COMP 5052,TEMPER H34 OR ALUMINUM TUBING,WW-T-789,COMP 6061,TEMPER T6,TYPE 1,MATERIAL OF DUCT,ALUMINUM,QQ-A-318,COMP 5083,TEMPER H34 OR ALUMINUM,QQ-A-327,COMP 6061,TEMPER T6,MATERIAL OF FLANGE,6.000 IN. NOM OD,0.091 IN. NOM WALL THK,90.0 DEG ELBOW AT ENDS,13.437 IN. NOM O/A LG,8.750 IN. FLANGE DIA WITH 6 MTG HOLES,0.437 IN. DIA,EQUALLY SPACED ON 7.750 IN. BOLT CIRCLE,ENAMEL FINISHED PER TT-E-529 |
| ZZZV | FSC APPLICATION DATA | VEHICULAR VENTILATION SYSTEMS,NON-AIRCRAFT |
| AGAV | END ITEM IDENTIFICATION | 23208358515 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 10936570 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 2940004211601 | A00AM | E.C.A ETABLISSEMENT CENTRAL DES APPROVISIONNEMENTS DES FORCES ARMEES ROYALES | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-24 | [SPE7L326P5815](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=2940004211601) | DUCT, AIR CLEANER | — | $5,970.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=2940004211601&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=2940004211601
- 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/2940-00-421-1601/
JSON: https://nsnexplorer.com/api/nsn/2940-00-421-1601.json