Acquisition method (AMC)
1
FSC 5331 × O-RING
O-RING
5331-00-291-1990 FSC 5331
NSN 5331-00-291-1990 (also written 5331002911990; NIIN 00-291-1990) is an o-ring in Federal Supply Class 5331, O-Rings. 9 manufacturer part numbers from 9 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)
B
Competition
Coded for competition
AMC 1: suitable for competitive acquisition, second or later time. AMSC B: must be bought from the sources named on a source control or selected item drawing. 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 |
|---|---|
| MATERIAL MATT | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| CROSS-SECTIONAL HEIGHT ADVN | INCHES MINIMUM 0.205 AND INCHES MAXIMUM 0.215 |
| CENTER HOLE DIAMETER ADYT | INCHES MINIMUM 19.300 AND INCHES MAXIMUM 19.400 |
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 |
|---|---|---|
| 7708800 | 02697 | PARKER-HANNIFIN CORP DIV O-RING DIVISION |
| 7708800 | 11314 | HUTCHINSON SEAL CORPORATION |
| 7708800 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM |
| 7708800 | 25184 | PARKER HANNIFIN CORPORATION DIV O-RING DIVISION |
| 7708800 | 70061 | LYDALL INC ELASTOMER PRODUCTS GROUP |
| 7708800 | 70106 | ACUSHNET RUBBER COMPANY, INC. DBA PRECIX |
| 7708800 | 70485 | ATLANTIC INDIA RUBBER CO INC |
| 7708800 | 77308 | PARCO, LLC |
| 7708800 | 91265 | PARKER-HANNIFIN CORPORATION 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
$29.5092
Purchases
2
Total spend
$3,394
Sep 28, 2026
Last purchased
4 · 4.0/yr
Purchase records
$6,787
Total demand
$29.5092
Latest unit price
Purchase history
| Awarded | Qty | Unit price | Total | Supplier | Agency | Source |
|---|---|---|---|---|---|---|
| Sep 28, 2026 | 53 | $29.5092 | $1,564 | DBR INDUSTRIES, INC. DBA DBR INDUSTRIES INC (1K697) | Unknown | Source ↗ |
| Sep 3, 2026 | 62 | $29.5094 | $1,830 | 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 |
|---|---|---|---|---|
| Sep 3, 2026 | SPE7L126V212N ↗ | DBR INDUSTRIES, INC. DBA DBR INDUSTRIES INC | — | $1,830 |
| Sep 28, 2026 | SPE7L126V255C ↗ | DBR INDUSTRIES, INC. DBA DBR INDUSTRIES INC | — | $1,564 |
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.
Buying rhythm
How often does the government buy this item, and how long since the last time? Every solicitation and award on one line.
- Solicitation posted
- Award made
Dot size shows quantity. A faint bar joins a solicitation to the award made against it.
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 19 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
ACUSHNET RUBBER COMPANY, INC. DBA PRECIX
no award yet
no awards on record
Listed source ATLANTIC INDIA RUBBER CO INC
no award yet
no awards on record
Listed source HUTCHINSON SEAL CORPORATION
no award yet
no awards on record
Listed source LYDALL INC ELASTOMER PRODUCTS GROUP
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 PARKER-HANNIFIN CORP DIV O-RING DIVISION
no award yet
no awards on record
Listed source DBR INDUSTRIES, INC. DBA DBR INDUSTRIES INC won 2 of the last 2 awards. DBR INDUSTRIES, INC. DBA DBR INDUSTRIES INC won without being a listed source.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE7L1-26-T-09L0 | Sep 11, 2026 | Sep 21, 2026 | 53 | Expired | View at DIBBS → |
| SPE7L1-26-T-971E | Aug 14, 2026 | Aug 24, 2026 | 62 | 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: 2026-10-25.
- Full methodology →
Cite this page
Citation
NSN Explorer. "O-RING." nsnexplorer.com, https://nsnexplorer.com/nsn/5331-00-291-1990/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/5331-00-291-1990/