Acquisition method (AMC)
3
FSC 4310 × RING,PISTON
RING,PISTON
4310-00-131-2901 FSC 4310
NSN 4310-00-131-2901 (also written 4310001312901; NIIN 00-131-2901) is a ring, piston in Federal Supply Class 4310, Compressors and Vacuum Pumps. 11 manufacturer part numbers from 4 suppliers are on record. It was last purchased in Aug 2026.
Open for bid
No open solicitations on record for this NSN right now.
Can you win it?
This item is coded to be bought directly from the actual manufacturer (AMC 3).
Suffix (AMSC)
C
Competition
Coded for a named source
AMC 3: buy directly from the actual manufacturer, second or later time. AMSC C: needs engineering source approval; other sources must qualify first. The codes describe the item's status on record, not any one solicitation. What the codes mean
What it is — can you make it?
Dimensions, the FLIS specification requirements, and the manufacturer part numbers already qualified against this NSN.
Specifications
From the federal catalog (DLA FLIS / PUB LOG) — what your part has to meet. Cited specification documents can be looked up in ASSIST Quick Search ↗, DoD's public spec repository — copy the document number in.
| Requirement | Value |
|---|---|
| JOINT STYLE ADTE | — |
| OVERALL WIDTH ACXJ | INCHES NOMINAL 0.2485 |
| OIL PASSAGE TYPE AND QUANTITY CQKZ | HORIZONTALLY THROUGH RING SLOT 6 OR SLOT 8 |
| OIL PASSAGE TYPE AND QUANTITY CQKZ | OUTSIDE PERIPHERY GROOVE 1 |
| MATERIAL MATT | OVERALL IRON |
| FSC APPLICATION DATA ZZZV | PISTON,AIR COMPRESSOR |
| CROSS-SECTIONAL SHAPE STYLE AAGR | — |
| RING STYLE ACXD | — |
| RADIAL WALL THICKNESS ACXF | INCHES MINIMUM 0.1545 AND INCHES MAXIMUM 0.1695 |
| STANDARD BORE DIAMETER ACXZ | INCHES 4.375 |
Manufacturer part numbers
Commercial part numbers cross-referenced to this NSN in the federal catalog — the parts that have been accepted as satisfying this stock number, and who makes them.
| Part number | CAGE | Manufacturer |
|---|---|---|
| 156414PC151 | 93232 | CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION DBA CURTISS WRIGHT ENGINEERED PUMP DIVISION USE CAGE CODE 0UBG9 FOR CATALOGING |
| 157013PC151 | 93232 | CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION DBA CURTISS WRIGHT ENGINEERED PUMP DIVISION USE CAGE CODE 0UBG9 FOR CATALOGING |
| 157016PC151 | 93232 | CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION DBA CURTISS WRIGHT ENGINEERED PUMP DIVISION USE CAGE CODE 0UBG9 FOR CATALOGING |
| 157437PC151 | 93232 | CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION DBA CURTISS WRIGHT ENGINEERED PUMP DIVISION USE CAGE CODE 0UBG9 FOR CATALOGING |
| 157440PC151 | 93232 | CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION DBA CURTISS WRIGHT ENGINEERED PUMP DIVISION USE CAGE CODE 0UBG9 FOR CATALOGING |
| 200110RPC235 | 93232 | CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION DBA CURTISS WRIGHT ENGINEERED PUMP DIVISION USE CAGE CODE 0UBG9 FOR CATALOGING |
| 220062AE1 | 8FGX3 | CURTISS-WRIGHT ELECTRO-MECHANICAL CORP DBA STEAM & AIR SOLUTIONS DIV CURTISS-WRIGHT STEAM AND AIR SOLUTIONS |
| 3091B | 0AT62 | SIEMENS ENERGY, INC. DBA DRESSER-RAND |
| 3091B | 8FGX3 | CURTISS-WRIGHT ELECTRO-MECHANICAL CORP DBA STEAM & AIR SOLUTIONS DIV CURTISS-WRIGHT STEAM AND AIR SOLUTIONS |
| 3091B | 93232 | CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION DBA CURTISS WRIGHT ENGINEERED PUMP DIVISION USE CAGE CODE 0UBG9 FOR CATALOGING |
| 3091B | 93236 | DRESSER-RAND CO WORTHINGTON COMPRESSOR OPN A JOINT VENTURE |
What it pays — so you can quote
The government's own price and demand record for this NSN — what past awards cleared at, so you know where to land your quote.
Latest unit price
—
Purchases
0
Total spend
—
Aug 27, 2026
Last purchased
1 · 1.0/yr
Purchase records
$28,623
Total demand
$28,623
Latest award total
Purchase history
No priced purchases on record for this NSN yet.
Related contract actions
Contract action totals, not unit prices — obligation amounts from USAspending for related awards, shown for context only. These do not appear on the price chart above.
| Action date | Award # | Recipient | Agency | Obligation |
|---|---|---|---|---|
| Aug 27, 2026 | SPE7M126P9595 ↗ | ARGO TURBOSERVE CORPORATION DIV ARGO TURBOSERVE CORP. | — | $28,623 |
Demand history
Who wins this item
Does one supplier win this every time, and are the winners on the listed-source list? One dot per award.
- Award in the last 2 years
- Older award
ARGO TURBOSERVE CORPORATION DIV ARGO TURBOSERVE CORP.
last award Aug 2026
CURTISS-WRIGHT ELECTRO-MECHANICAL CORP DBA STEAM & AIR SOLUTIONS DIV CURTISS-WRIGHT STEAM AND AIR SOLUTIONS
no award yet
no awards on record
Listed source CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION DBA CURTISS WRIGHT ENGINEERED PUMP DIVISION USE CAGE CODE 0UBG9 FOR CATALOGING
no award yet
no awards on record
Listed source DRESSER-RAND CO WORTHINGTON COMPRESSOR OPN A JOINT VENTURE
no award yet
no awards on record
Listed source SIEMENS ENERGY, INC. DBA DRESSER-RAND
no award yet
no awards on record
Listed source ARGO TURBOSERVE CORPORATION DIV ARGO TURBOSERVE CORP. won the only award on record. ARGO TURBOSERVE CORPORATION DIV ARGO TURBOSERVE CORP. won without being a listed source.
Open RFQs on DIBBS → DIBBS award history ↗
About this data
- Unit prices: DLA DIBBS award records — every row links to its government record.
- AMSC: latest observed value from DIBBS solicitation history as of Oct 28, 2026.
- Contract action totals: USAspending, context only.
- Data last refreshed: 2026-10-28.
- Full methodology →
Cite this page
Citation
NSN Explorer. "RING,PISTON." nsnexplorer.com, https://nsnexplorer.com/nsn/4310-00-131-2901/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/4310-00-131-2901/