Acquisition method (AMC)
1
FSC 5331 × O-RING
O-RING
5331-01-005-0536 FSC 5331
NSN 5331-01-005-0536 (also written 5331010050536; NIIN 01-005-0536) 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 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 NOMINAL 20.375 |
| TEMP RATING ABJH | FAHRENHEIT -20.0 AND FAHRENHEIT 400.0 |
| CROSS-SECTIONAL HEIGHT ADVN | INCHES MINIMUM 0.205 AND INCHES MAXIMUM 0.215 |
| CENTER HOLE DIAMETER ADYT | INCHES MINIMUM 19.860 AND INCHES MAXIMUM 20.050 |
| ELONGATION PERCENTAGE ANYN | MAXIMUM 125 |
| HARDNESS RATING CQFM | SHORE DUROMETER A NOMINAL 75.0 |
| MATERIAL MATT | RUBBER FLUOROCARBON CLASS FPM |
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 |
|---|---|---|
| AS3209-389 | 0U583 | SAE INTERNATIONAL DBA SAE INTERNATIONAL |
| AS3209-389 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC |
| M83248/1-389 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
| MIL-R-83248/1 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
| SAE-AMS7276 | 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
$21.89
Purchases
1
Total spend
$1,729
Oct 6, 2026
Last purchased
2 · 2.0/yr
Purchase records
$3,459
Total demand
$21.89
Latest unit price
Purchase history
| Awarded | Qty | Unit price | Total | Supplier | Agency | Source |
|---|---|---|---|---|---|---|
| Oct 6, 2026 | 79 | $21.89 | $1,729 | 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 |
|---|---|---|---|---|
| Oct 6, 2026 | SPE7L127P0341 ↗ | BLADE INDUSTRIAL PRODUCTS INC | — | $1,729 |
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
BLADE INDUSTRIAL PRODUCTS INC
last award Oct 2026
MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES 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 SOCIETY OF AUTOMOTIVE ENGINEERS INC
no award yet
no awards on record
Listed source BLADE INDUSTRIAL PRODUCTS INC won the only award on record. BLADE INDUSTRIAL PRODUCTS INC won without being a listed source.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE7L1-26-T-08U4 | Sep 10, 2026 | Sep 21, 2026 | 79 | 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: 2026-10-08.
- Full methodology →
Cite this page
Citation
NSN Explorer. "O-RING." nsnexplorer.com, https://nsnexplorer.com/nsn/5331-01-005-0536/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/5331-01-005-0536/