# NSN 2520-01-183-4497: Air Tube, Friction Clutch

NSN 2520-01-183-4497 (also written 2520011834497; NIIN 01-183-4497) is an air tube, friction clutch in Federal Supply Class 2520, Vehicular Power Transmission Components. 2 manufacturer part numbers from 2 suppliers are on record. It was last purchased in Oct 2026.

## Identification

- NSN: 2520-01-183-4497 (2520011834497)
- NIIN: 01-183-4497 (011834497)
- Item name: AIR TUBE,FRICTION CLUTCH
- Federal Supply Class: [FSC 2520 Vehicular Power Transmission Components](https://nsnexplorer.com/fsc/2520/)
- Federal Supply Group: [FSG 25](https://nsnexplorer.com/group/25/)
- Acquisition method suffix code: AMSC C: needs engineering source approval; other sources must qualify first. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| TEXT | GENERAL CHARACTERISTICS ITEM DESCRIPTION | MATERIAL,NEOPRENE RUBBER,FOUR PLY,61.500 IN. OD;57.688 IN. ID;12.312 IN. LG;FURNISHED WITH FOUR VALVES |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 510847 | 81640 | SAFRAN POWER USA, LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 510847 | 99185 | EATON CORPORATION DBA AIRFLEX DIV DIV AIRFLEX | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Price history

Newest first.

| Date | Unit price | Quantity | Supplier | Agency | Source |
| --- | --- | --- | --- | --- | --- |
| 2026-10-07 | $15,144.00 | 4 | 0DNA9 | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=2520011834497) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-10-07 | [SPE7L327P0256](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=2520011834497) | AIR TUBE, FRICTION CLUTCH | — | $60,576.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=2520011834497&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=2520011834497
- 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/2520-01-183-4497/
JSON: https://nsnexplorer.com/api/nsn/2520-01-183-4497.json