Acquisition method (AMC)
1
FSC 5331 × O-RING
O-RING
5331-00-165-1956 FSC 5331
NSN 5331-00-165-1956 (also written 5331001651956; NIIN 00-165-1956) is an o-ring in Federal Supply Class 5331, O-Rings. 58 manufacturer part numbers from 29 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 3.730 AND INCHES MAXIMUM 3.794 |
| TEMP RATING ABJH | FAHRENHEIT -15.0 AND FAHRENHEIT 400.0 |
| CROSS-SECTIONAL HEIGHT ADVN | INCHES MINIMUM 0.135 AND INCHES MAXIMUM 0.143 |
| CENTER HOLE DIAMETER ADYT | INCHES MINIMUM 3.460 AND INCHES MAXIMUM 3.508 |
| 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 |
|---|---|---|
| 2-238 N1000-70 | D9182 | ZF INDUSTRIEANTRIEBE WITTEN GMBH |
| 2-238 V747-75 | C0308 | PARKER HANNIFIN GMBH O-RING DIVISION |
| 2-238V0747-75 | 02697 | PARKER-HANNIFIN CORP DIV O-RING DIVISION |
| 2-238V1164-75 | 02697 | PARKER-HANNIFIN CORP DIV O-RING DIVISION |
| 2-238V1226-75 | 02697 | PARKER-HANNIFIN CORP DIV O-RING DIVISION |
| 2-238V747-75 | 02697 | PARKER-HANNIFIN CORP DIV O-RING DIVISION |
| 20A11EM-238 | D9182 | ZF INDUSTRIEANTRIEBE WITTEN GMBH |
| 238-19357 | 25184 | PARKER HANNIFIN CORPORATION DIV O-RING DIVISION |
| 238-V14A | D9182 | ZF INDUSTRIEANTRIEBE WITTEN GMBH |
| 30143 ITEM 21 | 72352 | CURTISS-WRIGHT FLOW CONTROL CORPORATION DBA FARRIS ENGINEERING DIV CURTISS-WRIGHT VALVES DIVISION- FARRIS |
| 30143 ITEM 21 | 95169 | CURTISS-WRIGHT FLOW CONTROL CORPORATION DBA CURTISS-WRIGHT FLOW CONTROL CO DIV TARGET ROCK DIVISION |
| 309-D ITEM 15 | 65511 | NORCO PRODUCTS INC FILTER DIV |
| 32238D | D9182 | ZF INDUSTRIEANTRIEBE WITTEN GMBH |
| 354 | 65511 | NORCO PRODUCTS INC FILTER DIV |
| 5331PL0162935 | 9009H | JEDNOLITY INDEKS MATERIALOWY - UNIFORM MATERIAL INDEX |
| 5331PL1878394 | 9009H | JEDNOLITY INDEKS MATERIALOWY - UNIFORM MATERIAL INDEX |
| 593-6960891PC7 | 53711 | NAVAL SEA SYSTEMS COMMAND |
| 6V8002 | D9182 | ZF INDUSTRIEANTRIEBE WITTEN GMBH |
| 700-238-357 | 10941 | CARVER PUMP COMPANY |
| 700-238-433C | 10941 | CARVER PUMP COMPANY |
| 7276 | 72352 | CURTISS-WRIGHT FLOW CONTROL CORPORATION DBA FARRIS ENGINEERING DIV CURTISS-WRIGHT VALVES DIVISION- FARRIS |
| 7276 | 95169 | CURTISS-WRIGHT FLOW CONTROL CORPORATION DBA CURTISS-WRIGHT FLOW CONTROL CO DIV TARGET ROCK DIVISION |
| 95026290 | D9182 | ZF INDUSTRIEANTRIEBE WITTEN GMBH |
| 999-4213-B-05 ITEM 89E | 10941 | CARVER PUMP COMPANY |
| 999-4213-B-05-89E | 10941 | CARVER PUMP COMPANY |
| 999-4213-E-13 ITEM 89E | 10941 | CARVER PUMP COMPANY |
| 999-4213-F-06 ITEM 89E | 10941 | CARVER PUMP COMPANY |
| 999-4213-F-06-8 9E | D9182 | ZF INDUSTRIEANTRIEBE WITTEN GMBH |
| AMS7276 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC |
| AS3209-238 | 1K697 | DBR INDUSTRIES, INC. DBA DBR INDUSTRIES INC |
| AS3209-238 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC |
| AS568-238-V14A | 01212 | FEDERAL-MOGUL CORP GOVERNMENT SALES DEPT |
| AS568-238AMS7280 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC |
| BACP11P238 | 81205 | THE BOEING COMPANY DIV DEFENSE |
| CM1-238-V14A | 52374 | FLOWSERVE CORP DBA AUTOMAX ACTUATORS DIV FLOWSERVE US COMPANY |
| E103972 FIND NO 89 | 3X894 | CONTROL FLOW, INC. DBA CONTROL FLOW INC |
| E104459 FIND NO 89 | 3X894 | CONTROL FLOW, INC. DBA CONTROL FLOW INC |
| GS570AP139C348 | 26512 | NORTHROP GRUMMAN SYSTEMS CORPORATION |
| J221P238 | 07482 | GENERAL ELECTRIC COMPANY |
| M83248-1-238 | D9182 | ZF INDUSTRIEANTRIEBE WITTEN GMBH |
| M83248/1-238 | 0U583 | SAE INTERNATIONAL DBA SAE INTERNATIONAL |
| M83248/1-238 | 0XK26 | SEALS & PACKINGS, LLC |
| M83248/1-238 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
| M83248/1-238 | K0378 | ROLLS-ROYCE PLC DIV DEFENSE (EUROPE) |
| M83248/1-238 | K0680 | ROLLS-ROYCE AIRLINES |
| MIL-R-83248 | 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 |
| MS9388-238 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
| NAS1593-238 | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE |
| PL-999F0815-45 | 63857 | CIRCOR NAVAL SOLUTIONS LLC DBA WARREN PUMPS |
| PRP238-19357 | 25184 | PARKER HANNIFIN CORPORATION DIV O-RING DIVISION |
| R149P238A | 07482 | GENERAL ELECTRIC COMPANY |
| S2C238 | 08118 | EATON AVIATION CORPORATION |
| S9413-238 | 99193 | HONEYWELL INTERNATIONAL INC. DBA HONEYWELL INTERNATIONAL |
| SAE-AS83248/1 | 0U583 | SAE INTERNATIONAL DBA SAE INTERNATIONAL |
| V72238 | 07559 | CARR TOOL AND MACHINE CO |
| V72238 | D9182 | ZF INDUSTRIEANTRIEBE WITTEN GMBH |
| WG130238 | 3X894 | CONTROL FLOW, INC. DBA CONTROL FLOW INC |
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
$1.5219
Purchases
1
Total spend
$9,064
Oct 8, 2026
Last purchased
2 · 2.0/yr
Purchase records
$18,129
Total demand
$1.5219
Latest unit price
Purchase history
| Awarded | Qty | Unit price | Total | Supplier | Agency | Source |
|---|---|---|---|---|---|---|
| Oct 8, 2026 | 5,956 | $1.5219 | $9,064 | 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 8, 2026 | SPE7M427P0103 ↗ | DBR INDUSTRIES, INC. DBA DBR INDUSTRIES INC | — | $9,064 |
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
CARR TOOL AND MACHINE CO
no award yet
no awards on record
Listed source CARVER PUMP COMPANY
no award yet
no awards on record
Listed source CIRCOR NAVAL SOLUTIONS LLC DBA WARREN PUMPS
no award yet
no awards on record
Listed source CONTROL FLOW, INC. DBA CONTROL FLOW INC
no award yet
no awards on record
Listed source CURTISS-WRIGHT FLOW CONTROL CORPORATION DBA CURTISS-WRIGHT FLOW CONTROL CO DIV TARGET ROCK DIVISION
no award yet
no awards on record
Listed source CURTISS-WRIGHT FLOW CONTROL CORPORATION DBA FARRIS ENGINEERING DIV CURTISS-WRIGHT VALVES DIVISION- FARRIS
no award yet
no awards on record
Listed source EATON AVIATION CORPORATION
no award yet
no awards on record
Listed source DBR INDUSTRIES, INC. DBA DBR INDUSTRIES INC won the only award on record.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE7M4-26-T-337S | Aug 14, 2026 | Aug 24, 2026 | 5,956 | 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: 2026-10-10.
- Full methodology →
Cite this page
Citation
NSN Explorer. "O-RING." nsnexplorer.com, https://nsnexplorer.com/nsn/5331-00-165-1956/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/5331-00-165-1956/