Acquisition method (AMC)
1
FSC 4310 × RING SET,PISTON
RING SET,PISTON
4310-01-127-6519 FSC 4310
NSN 4310-01-127-6519 (also written 4310011276519; NIIN 01-127-6519) is a ring set, piston in Federal Supply Class 4310, Compressors and Vacuum Pumps. 8 manufacturer part numbers from 5 suppliers are on record. It was last purchased in Oct 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.
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 |
|---|---|---|
| 1W139488 | 0AT62 | SIEMENS ENERGY, INC. DBA DRESSER-RAND |
| 1W139488 | 830Q4 | CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION DBA CURTISS-WRIGHT STEAM AND AIR SOLUTIONS DIV STEAM AND AIR SOLUTIONS |
| 1W139488 | 88663 | DRESSER-RAND CO INGERSOLL-RAND OPNS A JOINT VENTURE |
| 1W139488 | 8FGX3 | CURTISS-WRIGHT ELECTRO-MECHANICAL CORP DBA STEAM & AIR SOLUTIONS DIV CURTISS-WRIGHT STEAM AND AIR SOLUTIONS |
| 34265272 | 88663 | DRESSER-RAND CO INGERSOLL-RAND OPNS A JOINT VENTURE |
| A9587-80 | 75370 | KAYDON RING & SEAL INC DBA SKF PRECISION TECHNOLOGIES |
| G8601PC63X64 | 88663 | DRESSER-RAND CO INGERSOLL-RAND OPNS A JOINT VENTURE |
| W114887 | 0AT62 | SIEMENS ENERGY, INC. DBA DRESSER-RAND |
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
$7,291.6667
Purchases
2
Total spend
$417,152
Oct 21, 2026
Last purchased
4 · 4.0/yr
Purchase records
$834,303
Total demand
$7,291.6667
Latest unit price
Purchase history
| Awarded | Qty | Unit price | Total | Supplier | Agency | Source |
|---|---|---|---|---|---|---|
| Oct 21, 2026 | 48 | $7,291.6667 | $350,000 | NORCATEC LLC (9A148) | Unknown | Source ↗ |
| Sep 8, 2026 | 13 | $5,165.50 | $67,152 | NORCATEC LLC (9A148) | Unknown | Source ↗ |
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 8, 2026 | SPE7M126PA069 ↗ | NORCATEC LLC | — | $67,152 |
| Oct 21, 2026 | SPE7M527D60FF ↗ | NORCATEC LLC | — | $350,000 |
Demand history
Every solicitation we've indexed for this NSN, open and closed — 2 on record. Closed RFQs (expired, cancelled, or awarded) stay here as a record of past demand; they never get removed.
Buying rhythm
How often does the government buy this item, and how long since the last time? Every solicitation and award on one line.
- Solicitation posted
- Award made
Dot size shows quantity. A faint bar joins a solicitation to the award made against it.
Time from solicitation to award
How long does a buy take from posting to award? One bar per past award that matches a solicitation.
- Open for quotes
- Closed, awaiting award
The typical buy took 31 days from posting to award.
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
NORCATEC LLC
last award Oct 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 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 KAYDON RING & SEAL INC DBA SKF PRECISION TECHNOLOGIES
no award yet
no awards on record
Listed source SIEMENS ENERGY, INC. DBA DRESSER-RAND
no award yet
no awards on record
Listed source NORCATEC LLC won 2 of the last 2 awards. NORCATEC LLC won without being a listed source.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE7M1-26-U-6214 | Sep 22, 2026 | Oct 9, 2026 | 48 | Expired | View at DIBBS → |
| SPE7M1-26-T-261T | Aug 7, 2026 | Aug 20, 2026 | 13 | Expired | View at DIBBS → |
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: 2026-10-24.
- Full methodology →
Cite this page
Citation
NSN Explorer. "RING SET,PISTON." nsnexplorer.com, https://nsnexplorer.com/nsn/4310-01-127-6519/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/4310-01-127-6519/