Buna 70-154-Black-Pk10

APG stocks the SB-H70154-10, an AS568-154 black Buna-N (Nitrile) 70 Shore A O-Ring supplied with an inside diameter of 3.737 in (94.92 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 3.943 in (100.15 mm). An o-ring compresses into its gland to block fluid or gas migration across a joint. Supplementary detail from the product record: 0.103CSX3.737"IDX3.943"OD.

The material holds up against many alcohols, water, and propane and butane. Buna-N (Nitrile) delivers low compression set under sustained load, reliable performance in both static and dynamic service. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C). Applications involving ozone and direct sunlight or automotive brake fluid call for a different compound.

Maintenance and OEM teams specify it across agricultural equipment, hydraulic and pneumatic systems, and fluid power.

Order part number SB-H70154-10, sold by the bag. Application requirements vary, so validate compatibility with your process conditions prior to installation.