Acquisition method (AMC)
3
FSC 4310 × RING,PISTON
RING,PISTON
4310-00-572-4386 FSC 4310
NSN 4310-00-572-4386 (also written 4310005724386; NIIN 00-572-4386) is a ring, piston in Federal Supply Class 4310, Compressors and Vacuum Pumps. 2 manufacturer part numbers from 2 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 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 |
|---|---|
| RADIAL WALL THICKNESS ACXF | INCHES NOMINAL 0.1500 |
| MATERIAL MATT | OVERALL STEEL |
| SPECIAL FEATURES FEAT | INCLUDES 2 RING AND 1 EXPANDER,2.690 IN. OD BY 0.092 IN. THK BY 0.037 IN. WALL |
| STANDARD BORE DIAMETER ACXZ | INCHES 3.001 |
| JOINT STYLE ADTE | — |
| OVERALL WIDTH ACXJ | INCHES NOMINAL 0.0460 |
| CROSS-SECTIONAL SHAPE STYLE AAGR | — |
| RING STYLE ACXD | — |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | OVERALL ASSN STD SINGLE MATERIAL RESPONSE A-S5529,17-7H |
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 |
|---|---|---|
| 1433-623747 | 09523 | PARKER-HANNIFIN CORPORATION DIV GAS TURBINE FUEL SYSTEMS |
| 1433-623747 | 45934 | ONTIC ENGINEERING & MANUFACTURING, INC DBA ONTIC US |
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
—
Oct 1, 2026
Last purchased
1 · 1.0/yr
Purchase records
$39,676
Total demand
$39,676
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 |
|---|---|---|---|---|
| Oct 1, 2026 | SPE4A124G0043/SPE7M125F0871 ↗ | AAR SUPPLY CHAIN, INC DBA AAR DEFENSE SYSTEMS & LOGISTICS | — | $39,676 |
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
AAR SUPPLY CHAIN, INC DBA AAR DEFENSE SYSTEMS & LOGISTICS
last award Oct 2026
ONTIC ENGINEERING & MANUFACTURING, INC DBA ONTIC US
no award yet
no awards on record
Listed source PARKER-HANNIFIN CORPORATION DIV GAS TURBINE FUEL SYSTEMS
no award yet
no awards on record
Listed source AAR SUPPLY CHAIN, INC DBA AAR DEFENSE SYSTEMS & LOGISTICS won the only award on record. AAR SUPPLY CHAIN, INC DBA AAR DEFENSE SYSTEMS & LOGISTICS 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 10, 2026.
- Contract action totals: USAspending, context only.
- Data last refreshed: 2026-10-02.
- Full methodology →
Cite this page
Citation
NSN Explorer. "RING,PISTON." nsnexplorer.com, https://nsnexplorer.com/nsn/4310-00-572-4386/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/4310-00-572-4386/