# NSN 2520-01-737-3622: Ring Set, Piston

NSN 2520-01-737-3622 (also written 2520017373622; NIIN 01-737-3622) is a ring set, piston in Federal Supply Class 2520, Vehicular Power Transmission Components. 1 manufacturer part number from 1 supplier is on record. It was last purchased in Oct 2026.

## Identification

- NSN: 2520-01-737-3622 (2520017373622)
- NIIN: 01-737-3622 (017373622)
- Item name: RING SET,PISTON
- 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 D: the data needed to compete the part is unavailable or cannot be obtained economically. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AGAV | END ITEM IDENTIFICATION | NSN 2320-01-565-3428 |
| FEAT | SPECIAL FEATURES | FOR MY24 TRANSMISSIONS, CONTAIN THE CAST PISTONS |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | SERVICE KIT |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 29572089 | 73342 | ALLISON TRANSMISSION INC DBA ALLISON TRANSMISSION, INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Price history

Newest first.

| Date | Unit price | Quantity | Supplier | Agency | Source |
| --- | --- | --- | --- | --- | --- |
| 2026-10-19 | $275.60 | 74 | PENN POWER GROUP LLC DIV GOVERNMENT SERVICES DEPARTMENT | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=2520017373622) |
| 2026-08-25 | $275.75 | 45 | PENN POWER GROUP LLC DIV GOVERNMENT SERVICES DEPARTMENT | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=2520017373622) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-10-19 | [SPE7L127V0886](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=2520017373622) | RING SET, PISTON | PENN POWER GROUP LLC DIV GOVERNMENT SERVICES DEPARTMENT | $20,394.40 |
| 2026-08-25 | [SPE7L126P9AB0](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=2520017373622) | RING SET, PISTON | PENN POWER GROUP LLC DIV GOVERNMENT SERVICES DEPARTMENT | $12,408.75 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=2520017373622&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=2520017373622
- 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/2520-01-737-3622/
JSON: https://nsnexplorer.com/api/nsn/2520-01-737-3622.json