Acquisition method (AMC)
1
FSC 4310 × RING,PISTON
RING,PISTON
4310-00-364-6580 FSC 4310
NSN 4310-00-364-6580 (also written 4310003646580; NIIN 00-364-6580) is a ring, piston in Federal Supply Class 4310, Compressors and Vacuum Pumps. 2 manufacturer part numbers from 2 suppliers are on record. The government has 1 open solicitation for it.
Open for bid
1 open solicitation on record right now — quantity, close date, and where to submit.
| Solicitation | Qty | Status | |
|---|---|---|---|
| SPE7M1-27-T-0521 | 50 | Closes in 4d | Bid → |
Can you win it?
This item is coded as suitable for competitive acquisition (AMC 1).
Suffix (AMSC)
L
Competition
Coded for competition
AMC 1: suitable for competitive acquisition, second or later 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 |
|---|---|
| RADIAL WALL THICKNESS ACXF | INCHES MINIMUM 0.1250 AND INCHES MAXIMUM 0.1350 |
| RING STYLE ACXD | — |
| STANDARD BORE DIAMETER ACXZ | INCHES 2.400 |
| SPECIAL FEATURES FEAT | DRY FILM LUBE EMS 52402,TYPE 1,CLASS B,FSCM 99193 |
| MATERIAL MATT | OVERALL STEEL CORROSION RESISTING |
| CROSS-SECTIONAL SHAPE STYLE AAGR | — |
| OVERALL WIDTH ACXJ | INCHES MINIMUM 0.0370 AND INCHES MAXIMUM 0.0380 |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | OVERALL MIL SPEC 1ST MATERIAL RESPONSE -IL-S-25043 TYE 17-7H AND ASSN STD 2ND MATERIAL RESPONSE A-S 5528 |
| JOINT STYLE ADTE | — |
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 |
|---|---|---|
| 859989-41 | 59364 | HONEYWELL INTERNATIONAL INC. DBA HONEYWELL INTERNATIONAL |
| 859989-41 | 99121 | PRECISION RINGS INCORPORATED |
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
—
—
Last purchased
—
Purchase records
—
Total demand
—
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.
No related contract actions on record.
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.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE7M1-27-T-0521 | Oct 13, 2026 | Oct 23, 2026 | 50 | Open | 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 13, 2026.
- Contract action totals: USAspending, context only.
- Full methodology →
Cite this page
Citation
NSN Explorer. "RING,PISTON." nsnexplorer.com, https://nsnexplorer.com/nsn/4310-00-364-6580/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/4310-00-364-6580/