Part number SB-H70219-100 is an AS568-219 black Buna-N (Nitrile) 70 Shore A O-Ring supplied with an inside diameter of 1.296 in (32.92 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 1.574 in (39.98 mm). An o-ring remains the most cost-effective sealing element available for pressurized assemblies. Supplementary detail from the product record: 1.5625IDX1.3125"ODX.125"CS.
Expect good resistance to propane and butane, hydraulic fluids, and water. Buna-N (Nitrile) offers the most widely specified general-purpose sealing elastomer, strong abrasion and tear resistance. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C). Applications involving ketones or ozone and direct sunlight call for a different compound.
You will find this material specified across automotive, hydraulic and pneumatic systems, and general industrial maintenance.
This item is sold by the bag under part number SB-H70219-100. Nominal inside diameter is listed as 1 5/16 inch. Review your operating media and conditions against this specification before installation.
description Buna 70-219-Black-Pk100
uf_description2 1.5625"IDX1.3125"ODX.125"CS
Actual_CS 0.139 inch (3.53 mm)
Actual_ID 1.296 inch (32.92 mm)
Actual_OD 1.574 inch (39.98 mm)
ProductCode Description O-Rings - Bagged - Commodity