Acquisition method (AMC)
1
FSC 5331 × O-RING
O-RING
5331-00-837-9477 FSC 5331
NSN 5331-00-837-9477 (also written 5331008379477; NIIN 00-837-9477) is an o-ring in Federal Supply Class 5331, O-Rings. 7 manufacturer part numbers from 6 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)
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 |
|---|---|
| OUTSIDE DIAMETER ABHE | INCHES MINIMUM 4.096 AND INCHES MAXIMUM 4.162 |
| CROSS-SECTIONAL HEIGHT ADVN | INCHES MINIMUM 0.067 AND INCHES MAXIMUM 0.073 |
| CENTER HOLE DIAMETER ADYT | INCHES MINIMUM 3.974 AND INCHES MAXIMUM 4.004 |
| HARDNESS RATING CQFM | SHORE DUROMETER A NOMINAL 65.0 |
| MATERIAL MATT | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
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 |
|---|---|---|
| 2-045 N506-65 | 02697 | PARKER-HANNIFIN CORP DIV O-RING DIVISION |
| 2-045 N506-65 | C0308 | PARKER HANNIFIN GMBH O-RING DIVISION |
| AS3578-045 | 0U583 | SAE INTERNATIONAL DBA SAE INTERNATIONAL |
| AS3578-045 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC |
| MS9021-045 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
| PRP568-045-4024-65 | 77308 | PARCO, LLC |
| SAE-AS3578 | 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
$3.7476
Purchases
1
Total spend
$374.76
Oct 29, 2026
Last purchased
2 · 2.0/yr
Purchase records
$749.52
Total demand
$3.7476
Latest unit price
Purchase history
| Awarded | Qty | Unit price | Total | Supplier | Agency | Source |
|---|---|---|---|---|---|---|
| Oct 29, 2026 | 100 | $3.7476 | $374.76 | 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 |
|---|---|---|---|---|
| Oct 29, 2026 | SPE7L127V1165 ↗ | DBR INDUSTRIES, INC. DBA DBR INDUSTRIES INC | — | $374.76 |
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 Oct 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 PARCO, LLC
no award yet
no awards on record
Listed source PARKER HANNIFIN GMBH 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 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 | |
|---|---|---|---|---|---|
| SPE7L1-26-T-918Y | Aug 6, 2026 | Aug 17, 2026 | 100 | 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: 2026-11-01.
- Full methodology →
Cite this page
Citation
NSN Explorer. "O-RING." nsnexplorer.com, https://nsnexplorer.com/nsn/5331-00-837-9477/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/5331-00-837-9477/