Acquisition method (AMC)
1
FSC 5331 × O-RING
O-RING
5331-01-645-9434 FSC 5331
NSN 5331-01-645-9434 (also written 5331016459434; NIIN 01-645-9434) is an o-ring in Federal Supply Class 5331, O-Rings. 5 manufacturer part numbers from 3 suppliers are on record. It was last purchased in Nov 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)
T
Competition
Coded for competition
AMC 1: suitable for competitive acquisition, second or later time. AMSC T: handled under qualified products list procedures. 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 |
|---|---|
| CRITICALITY CODE JUSTIFICATION CRTL | FEAT |
| SPECIAL FEATURES FEAT | CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D MIL-STD-1330D |
| MATERIAL MATT | RUBBER FLUOROSILICONE CLASS FQ |
| CROSS-SECTIONAL HEIGHT ADVN | INCHES NOMINAL 0.070 |
| CENTER HOLE DIAMETER ADYT | INCHES NOMINAL 0.239 |
| END ITEM IDENTIFICATION AGAV | VALVE AUTO SHUT OFF |
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 |
|---|---|---|
| AS3581-010 OXYGEN CLEAN | 0U583 | SAE INTERNATIONAL DBA SAE INTERNATIONAL |
| AS3581-010 OXYGEN CLEAN | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC |
| AS3581-010 OXYGEN CLEAN CP | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG |
| AS3581-010CP | 0U583 | SAE INTERNATIONAL DBA SAE INTERNATIONAL |
| SAE-AS3581 | 0U583 | SAE INTERNATIONAL DBA SAE INTERNATIONAL |
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
$3.1215
Purchases
1
Total spend
$6,967
Nov 4, 2026
Last purchased
3 · 3.0/yr
Purchase records
$15,529
Total demand
$3.1215
Latest unit price
Purchase history
| Awarded | Qty | Unit price | Total | Supplier | Agency | Source |
|---|---|---|---|---|---|---|
| Nov 4, 2026 | 2,232 | $3.1215 | $6,967 | DBR INDUSTRIES, INC. DBA DBR INDUSTRIES INC (1K697) | Unknown | Source ↗ |
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 |
|---|---|---|---|---|
| Aug 19, 2026 | SPE7M126P9770 ↗ | DBR INDUSTRIES, INC. DBA DBR INDUSTRIES INC | — | $1,595 |
| Nov 4, 2026 | SPE7M427P0563 ↗ | DBR INDUSTRIES, INC. DBA DBR INDUSTRIES INC | — | $6,967 |
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
DBR INDUSTRIES, INC. DBA DBR INDUSTRIES INC
last award Nov 2026
NAVAL INVENTORY CONTROL POINT MECHANICSBURG
no award yet
no awards on record
Listed source SAE INTERNATIONAL DBA SAE INTERNATIONAL
no award yet
no awards on record
Listed source SOCIETY OF AUTOMOTIVE ENGINEERS INC
no award yet
no awards on record
Listed source DBR INDUSTRIES, INC. DBA DBR INDUSTRIES INC won the only award on record. DBR INDUSTRIES, INC. DBA DBR INDUSTRIES INC won without being a listed source.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE7M4-26-T-413F | Sep 16, 2026 | Sep 28, 2026 | 2,232 | 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: 2026-11-05.
- Full methodology →
Cite this page
Citation
NSN Explorer. "O-RING." nsnexplorer.com, https://nsnexplorer.com/nsn/5331-01-645-9434/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/5331-01-645-9434/