Acquisition method (AMC)
2
FSC 4310 × RING,PISTON
RING,PISTON
4310-01-304-1441 FSC 4310
NSN 4310-01-304-1441 (also written 4310013041441; NIIN 01-304-1441) is a ring, piston 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.
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 2).
Suffix (AMSC)
L
Competition
Coded for competition
AMC 2: suitable for competitive acquisition, first time. AMSC L: annual buy value is below the screening threshold. 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 |
|---|---|
| CROSS-SECTIONAL SHAPE STYLE AAGR | — |
| RING STYLE ACXD | — |
| JOINT STYLE ADTE | — |
| END ITEM IDENTIFICATION AGAV | 4310-01-162-5740 |
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 |
|---|---|---|
| 47942 | 1XBP3 | LEROI INTERNATIONAL INC DBA COMPAIR LEROI |
| 47942 | 22111 | EMGLO PRODUCTS CORP |
| 47942 | 53239 | COMPAIR KELLOGG DIV OF ROBERTSHAW CONTROLS CO |
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
$50.00
Purchases
1
Total spend
$50.00
Sep 14, 2026
Last purchased
2 · 2.0/yr
Purchase records
$100.00
Total demand
$50.00
Latest unit price
Purchase history
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 14, 2026 | SPE7M026P4652 ↗ | — | — | $50.00 |
Demand history
Every solicitation we've indexed for this NSN, open and closed — 1 on record. Closed RFQs (expired, cancelled, or awarded) stay here as a record of past demand; they never get removed.
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
CAGE 56354
last award Sep 2026
COMPAIR KELLOGG DIV OF ROBERTSHAW CONTROLS CO
no award yet
no awards on record
Listed source EMGLO PRODUCTS CORP
no award yet
no awards on record
Listed source LEROI INTERNATIONAL INC DBA COMPAIR LEROI
no award yet
no awards on record
Listed source CAGE 56354 won the only award on record. CAGE 56354 won without being a listed source.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE7M0-26-T-047X | Aug 19, 2026 | Aug 31, 2026 | 1 | 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: 2026-10-21.
- Full methodology →
Cite this page
Citation
NSN Explorer. "RING,PISTON." nsnexplorer.com, https://nsnexplorer.com/nsn/4310-01-304-1441/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/4310-01-304-1441/