Acquisition method (AMC)
1
FSC 5331 × O-RING
O-RING
5331-01-278-0490 FSC 5331
NSN 5331-01-278-0490 (also written 5331012780490; NIIN 01-278-0490) 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 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 |
|---|---|
| TEMP RATING ABJH | CELSIUS -5.0 AND CELSIUS 205.0 |
| CROSS-SECTIONAL HEIGHT ADVN | INCHES MINIMUM 0.100 AND INCHES MAXIMUM 0.106 |
| CENTER HOLE DIAMETER ADYT | INCHES MINIMUM 1.102 AND INCHES MAXIMUM 1.122 |
| END ITEM IDENTIFICATION AGAV | 2840-99-645-9394;2840-99-645-9395;2840-99-766-0507;2840-99-766-0508;MODEL RB199MK101/103/104;SIMILAR TO NSN 5330-01-078-5130 |
| HARDNESS RATING CQFM | SHORE DUROMETER A MINIMUM 70.0 AND SHORE DUROMETER A MAXIMUM 80.0 |
| SPECIAL FEATURES FEAT | O-RING SHAPE;OPERATED BY FLUID, HIGH TEMPERATURE |
| COLOR HUES | BROWN |
| MATERIAL MATT | RUBBER FLUOROCARBON CLASS FPM |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | ASSN STD SINGLE MATERIAL RESPONSE A-S7280 OR ASSN STD SINGLE MATERIAL RESPONSE AST- D2000 TO SAE J200 SAE J200 |
| REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS ZZZY | AS DIFF BY SPEC K2617 HTE7300 PERFORMANCE RQMT TORNADO ACFT ENGINE MODEL RB199 |
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 |
|---|---|---|
| 2-122 V747-75 | 02697 | PARKER-HANNIFIN CORP DIV O-RING DIVISION |
| 2-122 V747-75 | C0308 | PARKER HANNIFIN GMBH O-RING DIVISION |
| 5331PL1147612 | 9009H | JEDNOLITY INDEKS MATERIALOWY - UNIFORM MATERIAL INDEX |
| AS3085-122 | 0U583 | SAE INTERNATIONAL DBA SAE INTERNATIONAL |
| AS3085-122 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC |
| AS3085-122 | A0126 | LEONARDO SPA HELICOPTERS DIVISION - PRODUCTION SITE |
| V0747 2-122 | 02697 | PARKER-HANNIFIN CORP 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
$0.5131
Purchases
1
Total spend
$419.71
Sep 1, 2026
Last purchased
2 · 2.0/yr
Purchase records
$839.42
Total demand
$0.5131
Latest unit price
Purchase history
| Awarded | Qty | Unit price | Total | Supplier | Agency | Source |
|---|---|---|---|---|---|---|
| Sep 1, 2026 | 818 | $0.5131 | $419.71 | 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 1, 2026 | SPE7L126V206C ↗ | DBR INDUSTRIES, INC. DBA DBR INDUSTRIES INC | — | $419.71 |
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 Sep 2026
JEDNOLITY INDEKS MATERIALOWY - UNIFORM MATERIAL INDEX
no award yet
no awards on record
Listed source LEONARDO SPA HELICOPTERS DIVISION - PRODUCTION SITE
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-02P6 | Aug 26, 2026 | Sep 8, 2026 | 818 | 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: 2026-10-26.
- Full methodology →
Cite this page
Citation
NSN Explorer. "O-RING." nsnexplorer.com, https://nsnexplorer.com/nsn/5331-01-278-0490/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/5331-01-278-0490/