# NSN 2810-01-293-7985: Ring, Piston

NSN 2810-01-293-7985 (also written 2810012937985; NIIN 01-293-7985) is a ring, piston in Federal Supply Class 2810, Gasoline Reciprocating Engines, Aircraft Prime Mover; and Components. 3 manufacturer part numbers from 3 suppliers are on record. The government has 1 open solicitation for it.

## Identification

- NSN: 2810-01-293-7985 (2810012937985)
- NIIN: 01-293-7985 (012937985)
- Item name: RING,PISTON
- Federal Supply Class: [FSC 2810 Gasoline Reciprocating Engines, Aircraft Prime Mover; and Components](https://nsnexplorer.com/fsc/2810/)
- Federal Supply Group: [FSG 28](https://nsnexplorer.com/group/28/)
- Acquisition method suffix code: AMSC P: the government does not own the rights to the data needed for more sources. (observed 2026-10-16)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAGR | CROSS-SECTIONAL SHAPE STYLE | — |
| ACXD | RING STYLE | — |
| ACXF | RADIAL WALL THICKNESS | INCHES MINIMUM 0.1510 AND INCHES MAXIMUM 0.1610 |
| ACXJ | OVERALL WIDTH | INCHES MINIMUM 0.0440 AND INCHES MAXIMUM 0.0450 |
| ACXL | PIN HOLE STYLE | — |
| ACXU | PINHOLE DIAMETER | INCHES MINIMUM 0.081 AND INCHES MAXIMUM 0.086 |
| ACXZ | STANDARD BORE DIAMETER | INCHES 3.244 |
| ADTE | JOINT STYLE | — |
| CRNR | DISTANCE FROM PIN HOLE CENTER TO EDGE | INCHES NOMINAL 0.096 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 859989-50 | 0SML3 | AERO INTERNATIONAL, LLC DBA AMS ENGINEERED SOLUTIONS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 859989-50 | 59364 | HONEYWELL INTERNATIONAL INC. DBA HONEYWELL INTERNATIONAL | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 859989-50 | 99193 | HONEYWELL INTERNATIONAL INC. DBA HONEYWELL INTERNATIONAL | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Open solicitations

| Solicitation | Quantity | Closes | Link |
| --- | --- | --- | --- |
| SPE4A5-27-T-1270 | 24 | 2026-10-23 | [DIBBS](https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=2810012937985&category=nsn) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=2810012937985&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=2810012937985
- AMSC record: https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/
- 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/2810-01-293-7985/
JSON: https://nsnexplorer.com/api/nsn/2810-01-293-7985.json