# NSN 4310-01-057-2995: Piston, Compressor

NSN 4310-01-057-2995 (also written 4310010572995; NIIN 01-057-2995) is a piston, compressor in Federal Supply Class 4310, Compressors and Vacuum Pumps. 6 manufacturer part numbers from 4 suppliers are on record. No purchases are on record yet.

## Identification

- NSN: 4310-01-057-2995 (4310010572995)
- NIIN: 01-057-2995 (010572995)
- Item name: PISTON,COMPRESSOR
- 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 |
| --- | --- | --- |
| AASK | HEAD STYLE | — |
| ABKW | OVERALL HEIGHT | INCHES NOMINAL 4.188 |
| ABMZ | DIAMETER | INCHES NOMINAL 6.312 |
| ACXM | OIL PASSAGE TYPE | HOLE |
| AGYE | SURFACE FINISH | FINISHED |
| AXFR | FINISHED SIZE DESIGNATION | STANDARD |
| AXFT | SKIRT TYPE | SOLID |
| AXFZ | RING GROOVE QUANTITY | 1 AND 2 |
| AXGB | RING GROOVE WIDTH | INCHES NOMINAL 0.312 AND INCHES NOMINAL 1.000 |
| AXGD | RING GROOVE DIAMETER | INCHES NOMINAL 5.375 AND INCHES NOMINAL 5.750 |
| AXPQ | PIN TYPE FOR WHICH DESIGNED | LOCKED |
| MATT | MATERIAL | ALUMINUM ALLOY |
| RGAQ | RING GROOVE POSITION AND QUANTITY | NO.2,AND NO.3 POSITIONS |
| SFTT | SURFACE TREATMENT | ANODIZE |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 200136UPC69 | 93236 | DRESSER-RAND CO WORTHINGTON COMPRESSOR OPN A JOINT VENTURE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 220607UH1 | 0AT62 | SIEMENS ENERGY, INC. DBA DRESSER-RAND | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 220607UH1 | 830Q4 | CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION DBA CURTISS-WRIGHT STEAM AND AIR SOLUTIONS DIV STEAM AND AIR SOLUTIONS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 220607UH1 | 8FGX3 | CURTISS-WRIGHT ELECTRO-MECHANICAL CORP DBA STEAM & AIR SOLUTIONS DIV CURTISS-WRIGHT STEAM AND AIR SOLUTIONS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 8073B | 0AT62 | SIEMENS ENERGY, INC. DBA DRESSER-RAND | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 8073B | 93236 | DRESSER-RAND CO WORTHINGTON COMPRESSOR OPN A JOINT VENTURE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4310010572995&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4310010572995
- 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/4310-01-057-2995/
JSON: https://nsnexplorer.com/api/nsn/4310-01-057-2995.json
