Acquisition method (AMC)
1
FSC 4310 × RING SET,PISTON
RING SET,PISTON
4310-01-127-6949 FSC 4310
NSN 4310-01-127-6949 (also written 4310011276949; NIIN 01-127-6949) is a ring set, piston in Federal Supply Class 4310, Compressors and Vacuum Pumps. 10 manufacturer part numbers from 7 suppliers are on record. It was last purchased in Sep 2026.
Open for bid
No open solicitations on record for this NSN right now.
Can you win it?
This item is coded as suitable for competitive acquisition (AMC 1).
Suffix (AMSC)
R
Competition
Coded for competition
AMC 1: suitable for competitive acquisition, second or later time. AMSC R: the government owns neither the data nor the rights, and obtaining them is judged uneconomical. 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 |
|---|---|
| STANDARD BORE DIAMETER ACXZ | INCHES 3.000 |
| PISTON ACCOMMODATION QUANTITY AETD | 1 |
| RING SET COMPONENT PARTS AETE | COMPRESSION RING 3; SCRAPER RING 1 |
| END ITEM IDENTIFICATION AGAV | INGERSOLL-RAND COMPRESSOR DIV MODEL N20NL-11 COMPRESSOR |
| PROPRIETARY CHARACTERISTICS PRPY | PACS |
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 |
|---|---|---|
| 1W139489 | 0AT62 | SIEMENS ENERGY, INC. DBA DRESSER-RAND |
| 1W139489 | 830Q4 | CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION DBA CURTISS-WRIGHT STEAM AND AIR SOLUTIONS DIV STEAM AND AIR SOLUTIONS |
| 1W139489 | 88663 | DRESSER-RAND CO INGERSOLL-RAND OPNS A JOINT VENTURE |
| 1W139489 | 8FGX3 | CURTISS-WRIGHT ELECTRO-MECHANICAL CORP DBA STEAM & AIR SOLUTIONS DIV CURTISS-WRIGHT STEAM AND AIR SOLUTIONS |
| 1W139489A | 88663 | DRESSER-RAND CO INGERSOLL-RAND OPNS A JOINT VENTURE |
| 34643700 | 88663 | DRESSER-RAND CO INGERSOLL-RAND OPNS A JOINT VENTURE |
| 4310PL1262327 | 9009H | JEDNOLITY INDEKS MATERIALOWY - UNIFORM MATERIAL INDEX |
| B4775-80 | 75370 | KAYDON RING & SEAL INC DBA SKF PRECISION TECHNOLOGIES |
| CE-1W139489 | 58430 | COMPRESSOR ENGINEERING CORP |
| G8601PC28X29 | 88663 | DRESSER-RAND CO INGERSOLL-RAND OPNS 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
—
Sep 18, 2026
Last purchased
2 · 2.0/yr
Purchase records
$29,646
Total demand
$14,823
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 |
|---|---|---|---|---|
| Sep 18, 2026 | SPE7M126PA534 ↗ | KAYDON RING & SEAL INC DBA SKF PRECISION TECHNOLOGIES | — | $14,823 |
| Sep 18, 2026 | SPE7M126PA534 ↗ | KAYDON RING & SEAL INC DBA SKF PRECISION TECHNOLOGIES | — | $14,823 |
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
KAYDON RING & SEAL INC DBA SKF PRECISION TECHNOLOGIES
last award Sep 2026
COMPRESSOR ENGINEERING CORP
no award yet
no awards on record
Listed source 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 STEAM AND AIR SOLUTIONS DIV STEAM AND AIR SOLUTIONS
no award yet
no awards on record
Listed source DRESSER-RAND CO INGERSOLL-RAND OPNS A JOINT VENTURE
no award yet
no awards on record
Listed source JEDNOLITY INDEKS MATERIALOWY - UNIFORM MATERIAL INDEX
no award yet
no awards on record
Listed source SIEMENS ENERGY, INC. DBA DRESSER-RAND
no award yet
no awards on record
Listed source KAYDON RING & SEAL INC DBA SKF PRECISION TECHNOLOGIES won 2 of the last 2 awards.
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 10, 2026.
- Contract action totals: USAspending, context only.
- Data last refreshed: 2026-09-27.
- Full methodology →
Cite this page
Citation
NSN Explorer. "RING SET,PISTON." nsnexplorer.com, https://nsnexplorer.com/nsn/4310-01-127-6949/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/4310-01-127-6949/