Acquisition method (AMC)
1
FSC 5331 × O-RING
O-RING
5331-00-165-1937 FSC 5331
NSN 5331-00-165-1937 (also written 5331001651937; NIIN 00-165-1937) is an o-ring in Federal Supply Class 5331, O-Rings. 35 manufacturer part numbers from 21 suppliers are on record. No purchases are on record yet.
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)
C
Competition
Coded for competition
AMC 1: suitable for competitive acquisition, second or later time. AMSC C: needs engineering source approval; other sources must qualify first. 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 5.652 AND INCHES MAXIMUM 5.734 |
| TEMP RATING ABJH | FAHRENHEIT -15.0 AND FAHRENHEIT 400.0 |
| ELONGATION PERCENTAGE ANYN | MAXIMUM 125 |
| HARDNESS RATING CQFM | SHORE DUROMETER A NOMINAL 75.0 |
| MATERIAL MATT | RUBBER FLUOROCARBON CLASS FPM |
| CENTER HOLE DIAMETER ADYT | INCHES MINIMUM 5.452 AND INCHES MAXIMUM 5.522 |
| CROSS-SECTIONAL HEIGHT ADVN | INCHES MINIMUM 0.100 AND INCHES MAXIMUM 0.106 |
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 |
|---|---|---|
| 1801490 ITEM NO. 72 | 1S3F8 | BLACKMER SYSTEM ONE, INC. DIV BLACKMER SYSTEM ONE, INC. |
| 2-161 V747-75 | 02697 | PARKER-HANNIFIN CORP DIV O-RING DIVISION |
| 2-161 V747-75 | C0308 | PARKER HANNIFIN GMBH O-RING DIVISION |
| 2-161V0747-75 | 02697 | PARKER-HANNIFIN CORP DIV O-RING DIVISION |
| 2-161V1164-75 | 02697 | PARKER-HANNIFIN CORP DIV O-RING DIVISION |
| 2-161V1226-75 | 02697 | PARKER-HANNIFIN CORP DIV O-RING DIVISION |
| 2643-825-89 ITEM 26 | 90699 | UNIMASCO INC |
| 363628 | 1S3F8 | BLACKMER SYSTEM ONE, INC. DIV BLACKMER SYSTEM ONE, INC. |
| 500185-V | 56349 | TRI-TEC MANUFACTURING, LLC |
| 5331PL0885411 | 9009H | JEDNOLITY INDEKS MATERIALOWY - UNIFORM MATERIAL INDEX |
| 5331PL2333184 | 9009H | JEDNOLITY INDEKS MATERIALOWY - UNIFORM MATERIAL INDEX |
| 568-161 | D9182 | ZF INDUSTRIEANTRIEBE WITTEN GMBH |
| 649-393-161-0 | 58828 | CFM INTERNATIONAL INC DBA CFM INTERNATIONAL |
| 649-393-161-0 | F0301 | SAFRAN AIRCRAFT ENGINES |
| 6735231-193 | 73342 | ALLISON TRANSMISSION INC DBA ALLISON TRANSMISSION, INC |
| 845-7108907 ITEM 26 | 53711 | NAVAL SEA SYSTEMS COMMAND |
| 901011PL FIND NO 36 | 56349 | TRI-TEC MANUFACTURING, LLC |
| AMS7276 | 0U583 | SAE INTERNATIONAL DBA SAE INTERNATIONAL |
| AMS7276 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC |
| AS3085-161 | D9182 | ZF INDUSTRIEANTRIEBE WITTEN GMBH |
| AS3209-161 | 0U583 | SAE INTERNATIONAL DBA SAE INTERNATIONAL |
| AS3209-161 | 1JYT1 | BLADE INDUSTRIAL PRODUCTS INC |
| AS3209-161 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC |
| AS3209-161 | D9182 | ZF INDUSTRIEANTRIEBE WITTEN GMBH |
| DD-4920 REF NO 16 | 53424 | CUNICO CORPORATION |
| DD-4936 ITEM NO 16 | 53424 | CUNICO CORPORATION |
| J221P161 | 07482 | GENERAL ELECTRIC COMPANY |
| M83248-1-161 | D9182 | ZF INDUSTRIEANTRIEBE WITTEN GMBH |
| M83248-1-161 | K5974 | ROLLS-ROYCE PLC NAVAL MARINE |
| M83248/1-161 | 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 |
| MILR83248 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
| MS9388-161 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
| S9413-161 | 99193 | HONEYWELL INTERNATIONAL INC. DBA HONEYWELL INTERNATIONAL |
| ST1000-161 | 77445 | RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY |
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
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Purchases
0
Total spend
—
—
Last purchased
—
Purchase records
—
Total demand
—
Latest award total
Purchase history
No priced purchases on record for this NSN yet.
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.
No related contract actions on record.
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.
Dot size shows quantity. A faint bar joins a solicitation to the award made against it.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE7L1-27-T-0903 | Oct 13, 2026 | Oct 23, 2026 | 369 | Expired | View at DIBBS → |
| SPE7L1-26-T-941E | Aug 7, 2026 | Aug 17, 2026 | 1,414 | 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.
- Full methodology →
Cite this page
Citation
NSN Explorer. "O-RING." nsnexplorer.com, https://nsnexplorer.com/nsn/5331-00-165-1937/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/5331-00-165-1937/