# NSN 4310-01-023-7010: Piston Rod, Second Stage

NSN 4310-01-023-7010 (also written 4310010237010; NIIN 01-023-7010) is a piston rod, second stage in Federal Supply Class 4310, Compressors and Vacuum Pumps. 3 manufacturer part numbers from 3 suppliers are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 4310-01-023-7010 (4310010237010)
- NIIN: 01-023-7010 (010237010)
- Item name: PISTON ROD,SECOND STAGE
- 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 2026-10-27)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| TEXT | GENERAL CHARACTERISTICS ITEM DESCRIPTION | 28 IN. O/A LG,ONE END THD 1 IN.-8 UNC-3A THD 3 IN. FULL THD,CENTER SECTION THD 1-1/4-8 UN-2A THD 1-1/8 IN.THD LG LOCATED 23.130 IN. FROM THD END,2ND END HAS LARGEST DIA 1.930 IN.W/CENTER HOLE 5/16 IN. DIA BY 15/16 IN. DEEP,3/8-16 UNC-3B THD 9/16 IN. FULL THD,2-3/8 IN. FROM CENTERLINE OF CROSSHEAD TO ROD END,KEYWAY ON 1ST END 0.310 IN. W BY 0.200 IN.DEEP BY 2.875 IN.LG |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| H-32730 | 0AT62 | SIEMENS ENERGY, INC. DBA DRESSER-RAND | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| H-32730 | 88663 | DRESSER-RAND CO INGERSOLL-RAND OPNS A JOINT VENTURE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| H-32730 | 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/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-02 | [SPE7M126P8982](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4310010237010) | PISTON ROD, SECOND S | — | $11,240.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4310010237010&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4310010237010
- 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/4310-01-023-7010/
JSON: https://nsnexplorer.com/api/nsn/4310-01-023-7010.json