# NSN 4310-01-681-4757: Ring Set, Piston

NSN 4310-01-681-4757 (also written 4310016814757; NIIN 01-681-4757) is a ring set, piston in Federal Supply Class 4310, Compressors and Vacuum Pumps. 1 manufacturer part number from 1 supplier is on record. It was last purchased in Sep 2026.

## Identification

- NSN: 4310-01-681-4757 (4310016814757)
- NIIN: 01-681-4757 (016814757)
- Item name: RING SET,PISTON
- Federal Supply Class: [FSC 4310 Compressors and Vacuum Pumps](https://nsnexplorer.com/fsc/4310/)
- Federal Supply Group: [FSG 43](https://nsnexplorer.com/group/43/)
- 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 | 1915-01-153-8801; LOGISTICS SUPPORT VESSEL |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | PISTON RING |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 8168A | 49576 | QUINCY COMPRESSOR DIVISION OF COLTEC INDUSTRIES INC DBA QUINCY COMPRESSOR DIV QUINCY COMPRESSOR | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Price history

Newest first.

| Date | Unit price | Quantity | Supplier | Agency | Source |
| --- | --- | --- | --- | --- | --- |
| 2026-09-24 | $51.99 | 21 | LARKOS PACKING AND DISTRIBUTION INC. | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4310016814757) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-24 | [SPE7M126V141L](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4310016814757) | RING SET, PISTON | LARKOS PACKING AND DISTRIBUTION INC. | $1,091.79 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4310016814757&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4310016814757
- 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/4310-01-681-4757/
JSON: https://nsnexplorer.com/api/nsn/4310-01-681-4757.json