Acquisition method (AMC)
1
FSC 5331 × O-RING
O-RING
5331-00-251-9370 FSC 5331
NSN 5331-00-251-9370 (also written 5331002519370; NIIN 00-251-9370) is an o-ring in Federal Supply Class 5331, O-Rings. 32 manufacturer part numbers from 25 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)
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 |
|---|---|
| CENTER HOLE DIAMETER ADYT | INCHES MINIMUM 3.085 AND INCHES MAXIMUM 3.115 |
| MATERIAL MATT | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| OUTSIDE DIAMETER ABHE | INCHES MINIMUM 3.486 AND INCHES MAXIMUM 3.554 |
| CROSS-SECTIONAL HEIGHT ADVN | INCHES MINIMUM 0.205 AND INCHES MAXIMUM 0.215 |
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 |
|---|---|---|
| 10163868 | A486G | NIMIKKEISTOKESKUS NCB FINLAND |
| 10V60-141-338 | 73277 | HOUGHTON INTERNATIONAL INC. |
| 1793-338 | 91265 | PARKER-HANNIFIN CORPORATION DIV O-RING DIVISION |
| 2-338 N602-70 | 02692 | DOLLY MFG CORP |
| 2-338 N602-70 | 02697 | PARKER-HANNIFIN CORP DIV O-RING DIVISION |
| 2-338 N602-70 | C0308 | PARKER HANNIFIN GMBH O-RING DIVISION |
| 338-C-69 | 76680 | FEDERAL-MOGUL CORP CHASSIS PRODUCTS DIV |
| 457-60-338 | 77308 | PARCO, LLC |
| 5331PL0804105 | 9009H | JEDNOLITY INDEKS MATERIALOWY - UNIFORM MATERIAL INDEX |
| 60-P-31-338 | 28486 | WEST AMERICAN RUBBER CO EXTRUDE PRODUCTS DIV |
| 725-70-338 | 96879 | TROSTEL ALBERT PACKING LTD |
| 7866-338 | 25184 | PARKER HANNIFIN CORPORATION DIV O-RING DIVISION |
| 85813PC39 | 86184 | GRISWOLD INDUSTRIES DBA CLA-VAL CO |
| A-338SR8019-65 | 95272 | STILLMAN SEAL CORPORATION DIV STILLMAN SEAL CORPERATION |
| AS-338C69 | 01212 | FEDERAL-MOGUL CORP GOVERNMENT SALES DEPT |
| AS29513-338 | 0U583 | SAE INTERNATIONAL DBA SAE INTERNATIONAL |
| AS29513-338 | 1K697 | DBR INDUSTRIES, INC. DBA DBR INDUSTRIES INC |
| AS29513-338 | 65463 | ALPRE INC |
| AS29513-338 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC |
| C-69-338 | 01212 | FEDERAL-MOGUL CORP GOVERNMENT SALES DEPT |
| GS570EM338 | 26512 | NORTHROP GRUMMAN SYSTEMS CORPORATION |
| MS29513-338 | 0U583 | SAE INTERNATIONAL DBA SAE INTERNATIONAL |
| MS29513-338 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC |
| MS29513-338 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
| MS29513-338ES | H2313 | ERIKS B.V. |
| N0602 2-338 | 02697 | PARKER-HANNIFIN CORP DIV O-RING DIVISION |
| PRP568-338-457-60 | 77308 | PARCO, LLC |
| PX1775-338 | 70106 | ACUSHNET RUBBER COMPANY, INC. DBA PRECIX |
| RT253-65-338 | 77969 | RUBBERCRAFT CORPORATION OF CALIFORNIA, LTD. DBA RUBBERCRAFT CORP |
| SAE-AS29513 | 0U583 | SAE INTERNATIONAL DBA SAE INTERNATIONAL |
| SR-822A-60-338 | 95272 | STILLMAN SEAL CORPORATION DIV STILLMAN SEAL CORPERATION |
| SR-822A-60-338 | SW461 | HUTCHINSON SEAL DE MEXICO STILLMAN SEAL DIVISION DIV STILLMAN SEAL,JPR,ESPA |
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
$0.83
Purchases
1
Total spend
$4,015
Sep 22, 2026
Last purchased
2 · 2.0/yr
Purchase records
$8,029
Total demand
$0.83
Latest unit price
Purchase history
| Awarded | Qty | Unit price | Total | Supplier | Agency | Source |
|---|---|---|---|---|---|---|
| Sep 22, 2026 | 4,837 | $0.83 | $4,015 | 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 22, 2026 | SPE7M126PA548 ↗ | BLADE INDUSTRIAL PRODUCTS INC | — | $4,015 |
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 Sep 2026
ACUSHNET RUBBER COMPANY, INC. DBA PRECIX
no award yet
no awards on record
Listed source ALPRE INC
no award yet
no awards on record
Listed source DBR INDUSTRIES, INC. DBA DBR INDUSTRIES INC
no award yet
no awards on record
Listed source DOLLY MFG CORP
no award yet
no awards on record
Listed source ERIKS B.V.
no award yet
no awards on record
Listed source FEDERAL-MOGUL CORP CHASSIS PRODUCTS DIV
no award yet
no awards on record
Listed source FEDERAL-MOGUL CORP GOVERNMENT SALES DEPT
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 | |
|---|---|---|---|---|---|
| SPE7M4-26-T-301E | Aug 6, 2026 | Aug 17, 2026 | 4,837 | 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/5331-00-251-9370/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/5331-00-251-9370/