Acquisition method (AMC)
1
FSC 5331 × O-RING
O-RING
5331-01-579-8163 FSC 5331
NSN 5331-01-579-8163 (also written 5331015798163; NIIN 01-579-8163) is an o-ring in Federal Supply Class 5331, O-Rings. 11 manufacturer part numbers from 4 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 | |
|---|---|---|---|
| SPE7M4-27-T-0187 | 1,040 | Closes in 2d | Bid → |
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 |
|---|---|
| CROSS-SECTIONAL HEIGHT ADVN | INCHES NOMINAL 0.078 |
| CENTER HOLE DIAMETER ADYT | INCHES NOMINAL 0.468 |
| END ITEM IDENTIFICATION AGAV | COMPRESSOR MODEL 13NL45 |
| MATERIAL MATT | RUBBER SILICONE CLASS Q |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | ASSN STD SINGLE MATERIAL RESPONSE A-S-3304 |
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 |
|---|---|---|
| 8601B | 0AT62 | SIEMENS ENERGY, INC. DBA DRESSER-RAND |
| 8601B | 830Q4 | CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION DBA CURTISS-WRIGHT STEAM AND AIR SOLUTIONS DIV STEAM AND AIR SOLUTIONS |
| 8601B | 8FGX3 | CURTISS-WRIGHT ELECTRO-MECHANICAL CORP DBA STEAM & AIR SOLUTIONS DIV CURTISS-WRIGHT STEAM AND AIR SOLUTIONS |
| 8601B | 93236 | DRESSER-RAND CO WORTHINGTON COMPRESSOR OPN A JOINT VENTURE |
| PL12424404 PC 847 | 0AT62 | SIEMENS ENERGY, INC. DBA DRESSER-RAND |
| PL12424404 PC 847 | 830Q4 | CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION DBA CURTISS-WRIGHT STEAM AND AIR SOLUTIONS DIV STEAM AND AIR SOLUTIONS |
| PL12424404 PC 847 | 8FGX3 | CURTISS-WRIGHT ELECTRO-MECHANICAL CORP DBA STEAM & AIR SOLUTIONS DIV CURTISS-WRIGHT STEAM AND AIR SOLUTIONS |
| PL12424404 PC 847 | 93236 | DRESSER-RAND CO WORTHINGTON COMPRESSOR OPN A JOINT VENTURE |
| R49388-906J | 0AT62 | SIEMENS ENERGY, INC. DBA DRESSER-RAND |
| R49388-906J | 830Q4 | CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION DBA CURTISS-WRIGHT STEAM AND AIR SOLUTIONS DIV STEAM AND AIR SOLUTIONS |
| R49388-906J | 8FGX3 | CURTISS-WRIGHT ELECTRO-MECHANICAL CORP DBA STEAM & AIR SOLUTIONS DIV CURTISS-WRIGHT STEAM AND AIR SOLUTIONS |
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 | |
|---|---|---|---|---|---|
| SPE7M4-27-T-0187 | Oct 6, 2026 | Oct 21, 2026 | 1,040 | 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 10, 2026.
- Contract action totals: USAspending, context only.
- Full methodology →
Cite this page
Citation
NSN Explorer. "O-RING." nsnexplorer.com, https://nsnexplorer.com/nsn/5331-01-579-8163/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/5331-01-579-8163/