# NSN 4310-01-324-4319: Ring, Piston

NSN 4310-01-324-4319 (also written 4310013244319; NIIN 01-324-4319) is a ring, piston in Federal Supply Class 4310, Compressors and Vacuum Pumps. 3 manufacturer part numbers from 2 suppliers are on record. It was last purchased in Oct 2026.

## Identification

- NSN: 4310-01-324-4319 (4310013244319)
- NIIN: 01-324-4319 (013244319)
- Item name: RING,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 B: must be bought from the sources named on a source control or selected item drawing. (observed 2026-10-10)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| ACXD | RING STYLE | — |
| ACXF | RADIAL WALL THICKNESS | INCHES MINIMUM 0.0500 AND INCHES MAXIMUM 0.0600 |
| ACXJ | OVERALL WIDTH | INCHES MINIMUM 0.2480 AND INCHES MAXIMUM 0.2500 |
| ACXZ | STANDARD BORE DIAMETER | INCHES 0.8780 |
| ADTE | JOINT STYLE | — |
| AGAV | END ITEM IDENTIFICATION | ALLISON GAS TURBINE DIVISION ENGINE T56-A427 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 23008234 | 63005 | ROLLS-ROYCE CORPORATION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 63005/23008234 | 63005 | ROLLS-ROYCE CORPORATION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| AAG-17513 | 71687 | SARGENT AEROSPACE & DEFENSE, LLC DBA AIRTOMIC DIV SARGENT | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Price history

Newest first.

| Date | Unit price | Quantity | Supplier | Agency | Source |
| --- | --- | --- | --- | --- | --- |
| 2026-10-06 | $709.47 | 48 | KAMPI COMPONENTS CO INC | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4310013244319) |
| 2026-08-26 | $613.22 | 30 | BOEING DISTRIBUTION, INC. | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4310013244319) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-10-06 | [SPE7M127V0209](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4310013244319) | RING, PISTON | KAMPI COMPONENTS CO INC | $34,054.56 |
| 2026-08-26 | [SPE7M126V109Y](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4310013244319) | RING, PISTON | BOEING DISTRIBUTION, INC. | $18,396.60 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4310013244319&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4310013244319
- 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/4310-01-324-4319/
JSON: https://nsnexplorer.com/api/nsn/4310-01-324-4319.json