Part number H70450 is an AS568-450 black Buna-N (Nitrile) 70 Shore A O-Ring supplied with an inside diameter of 10.475 in (266.07 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 11.025 in (280.04 mm). An o-ring delivers dependable bidirectional sealing in a compact groove envelope.
Expect good resistance to many alcohols, petroleum-based oils, and water. Buna-N (Nitrile) is widely chosen for strong abrasion and tear resistance, reliable performance in both static and dynamic service. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C). Applications involving ketones or polar solvents call for a different compound.
Maintenance and OEM teams specify it across automotive, hydraulic and pneumatic systems, and general industrial maintenance.
H70450 ships individually. Unit weight is approximately 40.5222 g. As always, verify media compatibility and operating conditions against the requirements of your specific application. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.
description -450 BLACK BUNA 70D O-RING
uf_description2 0.275" (6.99MM) CS X 10.475" (266.07MM) ID
Actual_CS 0.275 inch (6.99 mm)
Actual_ID 10.475 inch (266.07 mm)
Actual_OD 11.025 inch (280.04 mm)
ProductCode Description O-Rings - Bulk - Commodity