50.17MM Inside Diameter Seal-O-Ring

Caterpillar

• Color Notes: Actual o-ring color may differ from image.

• Notes: Dimensions and material descriptions provided for reference only.

• Cross Section Diameter (in): 0.21

• Inside Diameter (in): 1.975

• SAE AS568 Dash Size: -329

• Hardness (Shore A): 78

• Outside Diameter (in): 60.83

• Color: Orange

• Material: HNBR (78),HNBR - Hydrogenated Nitrile,HNBR,Nitrile / NBR / HNBR / XNBR Rubber,Polytetrafluoroethylene (PTFE) Plastic

• Material Description: HNBR rubber is capable of service temperatures of -40 to 115C and is resistant to fuel, oils, lubricants and offers good abrasion and cut resistance.

• Coating: PTFE coating protects the O-Ring from installation damage and provides ease of assembly.

• Polymer: HNBR (Hydrogenated nitrile)

• Applications: Automotive air conditioner seals; High temperature flex boot seals; High temperature power steering seals; Higher temperature hydraulic seals; Middle cylinder liner seals

• Not Compatible With: Aromatic and oxygenated gasolines; Automotive and aircraft brake fluids; Chlorinated hydrocarbons; Ethers; Ketones; Phosphate ester fluids

• Compatible With: Abrasion resistant; Diesel fuels; Diester lubricants; Ozone; Petroleum oils, greases; Refrigerant HFC - 134a (Non-Freon); Silicone fluids; Steam; Water base engine coolants

• Dash Size (in): 329

• Temperature (°F): -40° - 275°

• Material Hardness: 78A

• Seal/O-Ring Type: Standard

• Primary Sealing Material: Rubber