The O-Ring, cataloged under National Stock Number 5331-00-165-1955, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Sae International Dba Sae International. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 29 commercial cross-references from 18 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5331-00-165-1955 |
| Primary Part Number | AS3209-237 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Sae International Dba Sae International |
| Status | CANCELLED |
| Hardness Rating | 75.0 SHORE DUROMETER A NOMINAL |
| Elongation Percentage | 125 MAXIMUM |
| Outside Diameter | 3.605 INCHES MINIMUM AND 3.669 INCHES MAXIMUM IN |
| Cross-Sectional Height | 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN |
| Center Hole Diameter | 3.335 INCHES MINIMUM AND 3.383 INCHES MAXIMUM IN |
| Material | RUBBER FLUOROCARBON CLASS FPM |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 081369-9 | Mission Systems Davenport Inc. (USA) |
| AS3209 | Society of Automotive Engineers Inc (USA) |
| 284732-0001 ITEM 66 | Marotta Controls Inc (USA) |
| 2-237V0747-75 | Parker-Hannifin Corp Div O-Ring Division (USA) |
| 523718 | Norman Filter Company, L.l.c. Dba Norman Filter Co Llc (USA) |
| SAE-AMS7276 | Sae International Dba Sae International (USA) |
| MS9388-237 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| 5331001651955 | E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| M83248/1-237 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| AS3209 | Sae International Dba Sae International (USA) |
| 2-237 V747-75 | Parker-Hannifin Corp Div O-Ring Division (USA) |
| 20237-6 | Williams International Co., L.l.c. (USA) |
| 4400571-2370 | Marotta Controls Inc (USA) |
| AS3209-237 PRIMARY | Sae International Dba Sae International (USA) |
| PP056TB1-237 | Zf Industrieantriebe Witten Gmbh (DEU) |
| AS3209-237 | Ppi Industrial Corp. (USA) |
| S9413-237 | Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix (USA) |
| AMS7276 | Sae International Dba Sae International (USA) |
| AMS7276 | Society of Automotive Engineers Inc (USA) |
| AS3209-237 | Society of Automotive Engineers Inc (USA) |
NSN 5331-00-165-1955 is a O-Ring, manufactured by Sae International Dba Sae International, classified under FSC 5331 (O-Ring). Status: cancelled.
NSN 5331-00-165-1955 has 29 cross-referenced part numbers: 081369-9 (Mission Systems Davenport Inc.), AS3209 (Society of Automotive Engineers Inc), 284732-0001 ITEM 66 (Marotta Controls Inc), 2-237V0747-75 (Parker-Hannifin Corp Div O-Ring Division), 523718 (Norman Filter Company, L.l.c. Dba Norman Filter Co Llc) and 24 more.
There are 12 known substitutes for 5331-00-165-1955: 5331-00-103-1506, 5331-00-103-1747, 5331-00-166-1011 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for AS3209-237: Hardness Rating: 75.0 SHORE DUROMETER A NOMINAL; Elongation Percentage: 125 MAXIMUM; Outside Diameter: 3.605 INCHES MINIMUM AND 3.669 INCHES MAXIMUM IN; Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN. 6 total characteristics are documented in the Federal Logistics Information System.
NSN 5331-00-165-1955 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.