Acquisition method (AMC)
3
FSC 5331 × O-RING
O-RING
5331-01-031-8216 FSC 5331
NSN 5331-01-031-8216 (also written 5331010318216; NIIN 01-031-8216) is an o-ring in Federal Supply Class 5331, O-Rings. 8 manufacturer part numbers from 5 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 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 |
|---|---|
| TEMP RATING ABJH | FAHRENHEIT -30.0 AND FAHRENHEIT 250.0 |
| CROSS-SECTIONAL HEIGHT ADVN | INCHES MINIMUM 0.067 AND INCHES MAXIMUM 0.073 |
| CENTER HOLE DIAMETER ADYT | INCHES MINIMUM 4.709 AND INCHES MAXIMUM 4.769 |
| END ITEM IDENTIFICATION AGAV | SUBMARINE HULL STRUCTURE; SUBMARINE AUXILLARY AND MISC SYSTEM; TORPEDO, MK-48; TORPEDO, ADCAP 48; LOS ANGELES CLASS SSN (688); STURGEON CLASS SSN (637); OHIO CLASS SSBN (TRIDENT) |
| ELONGATION PERCENTAGE ANYN | MAXIMUM 331 |
| HARDNESS RATING CQFM | SHORE DUROMETER A NOMINAL 70.0 |
| CRITICALITY CODE JUSTIFICATION CRTL | ADYT |
| MATERIAL MATT | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
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 |
|---|---|---|
| 2-048 N674-7 | 02697 | PARKER-HANNIFIN CORP DIV O-RING DIVISION |
| 2507294 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER |
| 2507294-30 | 02697 | PARKER-HANNIFIN CORP DIV O-RING DIVISION |
| 2507294-30 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER |
| 2507294-30 | 53711 | NAVAL SEA SYSTEMS COMMAND |
| 2507294-30 | 77308 | PARCO, LLC |
| 2507294-30 | SE397 | PARKER BROWNSVILLE SERVICIO S.A. DE C.V. |
| N0674 2-048 | 02697 | PARKER-HANNIFIN CORP DIV O-RING DIVISION |
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
$6.7286
Purchases
1
Total spend
$11,055
Sep 22, 2026
Last purchased
2 · 2.0/yr
Purchase records
$22,110
Total demand
$6.7286
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 22, 2026 | SPE7L126P9H80 ↗ | — | — | $11,055 |
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 7DVN2
last award Sep 2026
NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER
no award yet
no awards on record
Listed source NAVAL SEA SYSTEMS COMMAND
no award yet
no awards on record
Listed source PARCO, LLC
no award yet
no awards on record
Listed source PARKER BROWNSVILLE SERVICIO S.A. DE C.V.
no award yet
no awards on record
Listed source PARKER-HANNIFIN CORP DIV O-RING DIVISION
no award yet
no awards on record
Listed source CAGE 7DVN2 won the only award on record. CAGE 7DVN2 won without being a listed source.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE7L1-26-T-11B1 | Sep 11, 2026 | Sep 21, 2026 | 1,643 | 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: 2026-10-05.
- Full methodology →
Cite this page
Citation
NSN Explorer. "O-RING." nsnexplorer.com, https://nsnexplorer.com/nsn/5331-01-031-8216/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/5331-01-031-8216/