Part number H70124 is an AS568-124 black Buna-N (Nitrile) 70 Shore A O-Ring supplied with an inside diameter of 1.237 in (31.42 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 1.443 in (36.65 mm). An o-ring remains the most cost-effective sealing element available for pressurized assemblies.
Buna-N (Nitrile) is specified here for most widely specified general-purpose sealing elastomer, reliable performance in both static and dynamic service. The compound resists greases and lubricants, hydraulic fluids, and petroleum-based oils. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service. Applications involving strong acids or ketones call for a different compound.
Maintenance and OEM teams specify it across agricultural equipment, fluid power, and automotive.
Order part number H70124, sold individually. Unit weight is approximately 0.7014 g and nominal inside diameter is listed as 1 1/4 inch. Review your operating media and conditions against this specification before installation. If you need a size, durometer or compound that is not listed, APG can cross-reference from a print, a sample or a competitor part number.
description -124 BLACK BUNA 70D O-RING
uf_description2 0.103" (2.62MM) CS X 1.237" (31.42MM) ID
Actual_CS 0.103 inch (2.62 mm)
Actual_ID 1.237 inch (31.42 mm)
Actual_OD 1.443 inch (36.65 mm)
ProductCode Description O-Rings - Bulk - Commodity