Acquisition method (AMC)
1
FSC 5331 × O-RING
O-RING
5331-00-700-0639 FSC 5331
NSN 5331-00-700-0639 (also written 5331007000639; NIIN 00-700-0639) is an o-ring in Federal Supply Class 5331, O-Rings. 3 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 as suitable for competitive acquisition (AMC 1).
Suffix (AMSC)
G
Competition
Coded for competition
AMC 1: suitable for competitive acquisition, second or later time. AMSC G: the government has a complete data package and the rights to use it. 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 |
|---|---|
| OUTSIDE DIAMETER ABHE | INCHES NOMINAL 9.762 |
| MATERIAL MATT | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| HARDNESS RATING CQFM | SHORE DUROMETER A NOMINAL 70.0 |
| ELONGATION PERCENTAGE ANYN | MAXIMUM 250 |
| CENTER HOLE DIAMETER ADYT | INCHES MINIMUM 9.454 AND INCHES MAXIMUM 9.514 |
| CROSS-SECTIONAL HEIGHT ADVN | INCHES MINIMUM 0.135 AND INCHES MAXIMUM 0.143 |
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 |
|---|---|---|
| MS29561-272 | 0U583 | SAE INTERNATIONAL DBA SAE INTERNATIONAL |
| MS29561-272 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
| SAE-AS29561 | 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
$15.1675
Purchases
2
Total spend
$1,106
Sep 23, 2026
Last purchased
8 · 8.0/yr
Purchase records
$5,181
Total demand
$15.1675
Latest unit price
Purchase history
| Awarded | Qty | Unit price | Total | Supplier | Agency | Source |
|---|---|---|---|---|---|---|
| Sep 23, 2026 | 24 | $15.1675 | $364.02 | DBR INDUSTRIES, INC. DBA DBR INDUSTRIES INC (1K697) | Unknown | Source ↗ |
| Sep 21, 2026 | 1 | $742.20 | $742.20 | BLADE INDUSTRIAL PRODUCTS INC (1JYT1) | 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 |
|---|---|---|---|---|
| Sep 21, 2026 | SPE7L126P9H86 ↗ | BLADE INDUSTRIAL PRODUCTS INC | — | $742.20 |
| Sep 21, 2026 | SPE7L126P9H86 ↗ | BLADE INDUSTRIAL PRODUCTS INC | — | $742.20 |
| Sep 21, 2026 | SPE7L126P9H86 ↗ | BLADE INDUSTRIAL PRODUCTS INC | — | $742.20 |
| Sep 21, 2026 | SPE7L126P9H86 ↗ | BLADE INDUSTRIAL PRODUCTS INC | — | $742.20 |
| Sep 21, 2026 | SPE7L126P9H86 ↗ | BLADE INDUSTRIAL PRODUCTS INC | — | $742.20 |
| Sep 23, 2026 | SPE7L126V234Q ↗ | DBR INDUSTRIES, INC. DBA DBR INDUSTRIES INC | — | $364.02 |
Demand history
Every solicitation we've indexed for this NSN, open and closed — 2 on record. Closed RFQs (expired, cancelled, or awarded) stay here as a record of past demand; they never get removed.
Time from solicitation to award
How long does a buy take from posting to award? One bar per past award that matches a solicitation.
- Open for quotes
- Closed, awaiting award
The typical buy took 13 days from posting to award.
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 Sep 2026
BLADE INDUSTRIAL PRODUCTS INC
last award Sep 2026
MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
no award yet
no awards on record
Listed source SAE INTERNATIONAL DBA SAE INTERNATIONAL
no award yet
no awards on record
Listed source DBR INDUSTRIES, INC. DBA DBR INDUSTRIES INC won 1 of the last 2 awards. DBR INDUSTRIES, INC. DBA DBR INDUSTRIES INC and 1 other won without being listed sources.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE7L1-26-T-07K6 | Sep 8, 2026 | Sep 23, 2026 | 1 | Expired | View at DIBBS → |
| SPE7L1-26-T-09M9 | Sep 11, 2026 | Sep 21, 2026 | 24 | 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/5331-00-700-0639/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/5331-00-700-0639/