Acquisition method (AMC)
1
FSC 5331 × O-RING
O-RING
5331-01-201-8611 FSC 5331
NSN 5331-01-201-8611 (also written 5331012018611; NIIN 01-201-8611) is an o-ring in Federal Supply Class 5331, O-Rings. 5 manufacturer part numbers from 5 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 as suitable for competitive acquisition (AMC 1).
Suffix (AMSC)
C
Competition
Coded for competition
AMC 1: suitable for competitive acquisition, 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.
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 |
|---|---|---|
| S9026J012 | 25184 | PARKER HANNIFIN CORPORATION DIV O-RING DIVISION |
| S9026J012 | 59789 | PROPONENT, INC. DBA PROPONENT |
| S9026J012 | 70210 | HONEYWELL INTERNATIONAL INC. |
| S9026J012 | 77308 | PARCO, LLC |
| S9026J012 | 95272 | STILLMAN SEAL CORPORATION DIV STILLMAN SEAL CORPERATION |
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 8, 2026
Last purchased
1 · 1.0/yr
Purchase records
$2,881
Total demand
$2,881
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 8, 2026 | SPE4AX25D5000/SPE4A227F0014 ↗ | LOCKHEED MARTIN CORPORATION DIV ROTARY AND MISSION SYSTEMS | — | $2,881 |
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
LOCKHEED MARTIN CORPORATION DIV ROTARY AND MISSION SYSTEMS
last award Oct 2026
HONEYWELL INTERNATIONAL INC.
no award yet
no awards on record
Listed source PARCO, LLC
no award yet
no awards on record
Listed source PARKER HANNIFIN CORPORATION DIV O-RING DIVISION
no award yet
no awards on record
Listed source PROPONENT, INC. DBA PROPONENT
no award yet
no awards on record
Listed source STILLMAN SEAL CORPORATION DIV STILLMAN SEAL CORPERATION
no award yet
no awards on record
Listed source LOCKHEED MARTIN CORPORATION DIV ROTARY AND MISSION SYSTEMS won the only award on record. LOCKHEED MARTIN CORPORATION DIV ROTARY AND MISSION SYSTEMS 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: 2026-10-10.
- Full methodology →
Cite this page
Citation
NSN Explorer. "O-RING." nsnexplorer.com, https://nsnexplorer.com/nsn/5331-01-201-8611/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/5331-01-201-8611/