Acquisition method (AMC)
3
FSC 5331 × O-RING
O-RING
5331-01-440-3274 FSC 5331
NSN 5331-01-440-3274 (also written 5331014403274; NIIN 01-440-3274) is an o-ring in Federal Supply Class 5331, O-Rings. 2 manufacturer part numbers from 2 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)
D
Competition
Coded for a named source
AMC 3: buy directly from the actual manufacturer, second or later time. AMSC D: the data needed to compete the part is unavailable or cannot be obtained economically. 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 MINIMUM 0.100 AND INCHES MAXIMUM 0.106 |
| CENTER HOLE DIAMETER ADYT | INCHES MINIMUM 26.780 AND INCHES MAXIMUM 26.900 |
| MATERIAL MATT | RUBBER ETHYLENE-PROPYLENE CLASS EPM |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | ASSN STD SINGLE MATERIAL RESPONSE NAS 1613 NAS 1613 |
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 |
|---|---|---|
| 091730-4 | 34228 | L3 TECHNOLOGIES, INC. DIV L3 KEO |
| 091730-4 | 59871 | NIANTIC SEAL INC DBA ATCO |
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
—
Sep 21, 2026
Last purchased
1 · 1.0/yr
Purchase records
$1,201
Total demand
$1,201
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 |
|---|---|---|---|---|
| Sep 21, 2026 | SPE7L126P6102 ↗ | NIANTIC SEAL INC DBA ATCO | — | $1,201 |
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
NIANTIC SEAL INC DBA ATCO
last award Sep 2026
L3 TECHNOLOGIES, INC. DIV L3 KEO
no award yet
no awards on record
Listed source NIANTIC SEAL INC DBA ATCO won the only award on record.
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: 2026-09-29.
- Full methodology →
Cite this page
Citation
NSN Explorer. "O-RING." nsnexplorer.com, https://nsnexplorer.com/nsn/5331-01-440-3274/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/5331-01-440-3274/