APG stocks the H90350, an AS568-350 black Buna-N (Nitrile) 90 Shore A O-Ring with an inside diameter of 4.6 in (116.84 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 5.02 in (127.51 mm). An o-ring compresses into its gland to block fluid or gas migration across a joint.
Buna-N (Nitrile) is specified here for most widely specified general-purpose sealing elastomer, strong abrasion and tear resistance. The material holds up against hydraulic fluids, petroleum-based oils, and greases and lubricants. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C). Exposure to polar solvents or ketones will shorten service life.
Common environments for this compound include hydraulic and pneumatic systems, fluid power, and construction equipment.
Order part number H90350, sold individually. Unit weight is approximately 12.068 g. Review your operating media and conditions against this specification before installation.
Description -350 BLACK BUNA 90D O-RING
Actual Cross Section 0.21 inch (5.33 mm)
Actual Inside Diameter 4.6 inch (116.84 mm)
Actual Outside Diameter 5.02 inch (127.51 mm)
Measurement System Imperial
Product Category O-Rings - Bulk - Commodity