The O-Ring, cataloged under National Stock Number 5331-00-165-1961, 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 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 39 commercial cross-references from 17 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 | 5331-00-165-1961 |
| Primary Part Number | AS3209-243 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Sae International Dba Sae International |
| Status | CANCELLED |
| Outside Diameter | 4.387 INCHES NOMINAL IN |
| Elongation Percentage | 125 MAXIMUM |
| Center Hole Diameter | 4.081 INCHES MINIMUM AND 4.137 INCHES MAXIMUM IN |
| Hardness Rating | 75.0 SHORE DUROMETER A NOMINAL |
| Temp Rating | -20.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF |
| Material | RUBBER FLUOROCARBON CLASS FPM |
| Cross-Sectional Height | 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| AJ1043703530HA0 | Safran Filtration Systems (FRA) |
| J221P243 | Ge Avio Srl (ITA) |
| MS9388-243 | Zf Industrieantriebe Witten Gmbh (DEU) |
| 2-243 VITON | Greene Rubber Company, Inc. (USA) |
| M83245-1-243 | Zf Industrieantriebe Witten Gmbh (DEU) |
| 62607 | Zf Industrieantriebe Witten Gmbh (DEU) |
| 231-27-1098 | Zf Industrieantriebe Witten Gmbh (DEU) |
| R149P243A | General Electric Company (USA) |
| 5331PL0248835 | Jednolity Indeks Materialowy - Uniform Material Index (POL) |
| ST1050-0243 | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 54-67-6904 | Zf Industrieantriebe Witten Gmbh (DEU) |
| 5331001651961 | E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| J221P243 | Fincantieri S.p.a. Div Direzione Navi Militari (ITA) |
| 2-243V1226-75 | Parker-Hannifin Corp Div O-Ring Division (USA) |
| AMS7276 | Sae International Dba Sae International (USA) |
| ST1050-243 | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| SAE-AMS7276 | Sae International Dba Sae International (USA) |
| 9262B | Zf Industrieantriebe Witten Gmbh (DEU) |
| 351524 | Zf Industrieantriebe Witten Gmbh (DEU) |
| M83248/1-243 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
NSN 5331-00-165-1961 is a O-Ring, manufactured by Sae International Dba Sae International, classified under FSC 5331 (O-Ring). Status: cancelled.
NSN 5331-00-165-1961 has 39 cross-referenced part numbers: AJ1043703530HA0 (Safran Filtration Systems), J221P243 (Ge Avio Srl), MS9388-243 (Zf Industrieantriebe Witten Gmbh), 2-243 VITON (Greene Rubber Company, Inc.), M83245-1-243 (Zf Industrieantriebe Witten Gmbh) and 34 more.
There are 12 known substitutes for 5331-00-165-1961: 5330-00-053-5387, 5930-00-258-4867, 1240-00-315-5579 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for AS3209-243: Outside Diameter: 4.387 INCHES NOMINAL IN; Elongation Percentage: 125 MAXIMUM; Center Hole Diameter: 4.081 INCHES MINIMUM AND 4.137 INCHES MAXIMUM IN; Hardness Rating: 75.0 SHORE DUROMETER A NOMINAL. 7 total characteristics are documented in the Federal Logistics Information System.
NSN 5331-00-165-1961 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.