Ordered as SB-H70149-10, this is an AS568-149 black Buna-N (Nitrile) 70 Shore A O-Ring supplied with an inside diameter of 2.8 in (71.12 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 3.006 in (76.35 mm). The o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load. The catalog record notes: 0.103CSX2.800"IDX3.006"OD.
Buna-N (Nitrile) is known for an economical choice for high-volume maintenance programs, reliable performance in both static and dynamic service. Expect good resistance to greases and lubricants, propane and butane, and many alcohols. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C). It should not be specified for service in automotive brake fluid or polar solvents.
Typical settings include hydraulic and pneumatic systems, general industrial maintenance, and fluid power.
Order part number SB-H70149-10, sold by the bag. Review your operating media and conditions against this specification before installation.
description Buna 70-149-Black-Pk10
uf_description2 0.103"CSX2.800"IDX3.006"OD
Actual_CS 0.103 inch (2.62 mm)
Actual_ID 2.8 inch (71.12 mm)
Actual_OD 3.006 inch (76.35 mm)
ProductCode Description O-Rings - Bagged - Commodity