Part number H70246 is an AS568-246 black Buna-N (Nitrile) 70 Shore A O-Ring with an inside diameter of 4.484 in (113.89 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 4.762 in (120.95 mm). An o-ring delivers dependable bidirectional sealing in a compact groove envelope.
As a material, Buna-N (Nitrile) offers the most widely specified general-purpose sealing elastomer, strong abrasion and tear resistance. The compound resists petroleum-based oils, greases and lubricants, and propane and butane. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service. It is not the right choice where polar solvents or ozone and direct sunlight are present.
Maintenance and OEM teams specify it across general industrial maintenance, automotive, and agricultural equipment.
Order part number H70246, sold individually. Unit weight is approximately 4.475 g. Review your operating media and conditions against this specification before installation. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.
Description -246 BLACK BUNA 70D O-RING
Actual Cross Section 0.139 inch (3.53 mm)
Actual Inside Diameter 4.484 inch (113.89 mm)
Actual Outside Diameter 4.762 inch (120.95 mm)
Measurement System Imperial
Product Category O-Rings - Bulk - Commodity