Part number H50316 is an AS568-316 black Buna-N (Nitrile) 50 Shore A O-Ring supplied with an inside diameter of 0.85 in (21.59 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 1.27 in (32.26 mm). An o-ring compresses into its gland to block fluid or gas migration across a joint.
Buna-N (Nitrile) is specified here for economical choice for high-volume maintenance programs and most widely specified general-purpose sealing elastomer. It resists hydraulic fluids, many alcohols, and water. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service. Exposure to automotive brake fluid or strong acids will shorten service life.
Common environments for this compound include hydraulic and pneumatic systems, automotive, and general industrial maintenance.
This item is sold individually under part number H50316. Review your operating media and conditions against this specification before installation. APG can cross-reference from an existing part number, a drawing or a physical sample if this size is not an exact match.
Description -316 BLACK BUNA 50D O-RING
Actual Cross Section 0.21 inch (5.33 mm)
Actual Inside Diameter 0.85 inch (21.59 mm)
Actual Outside Diameter 1.27 inch (32.26 mm)
Measurement System Imperial
Product Category O-Rings - Bulk - Commodity