APG stocks the H50436, an AS568-436 black Buna-N (Nitrile) 50 Shore A O-Ring measuring an inside diameter of 5.85 in (148.59 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 6.4 in (162.56 mm). An o-ring delivers dependable bidirectional sealing in a compact groove envelope.
Buna-N (Nitrile) offers an economical choice for high-volume maintenance programs, strong abrasion and tear resistance. This material stands up to propane and butane, many alcohols, and greases and lubricants. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C). It is not the right choice where automotive brake fluid or ketones are present.
Maintenance and OEM teams specify it across general industrial maintenance, automotive, and construction equipment.
This item is sold individually under part number H50436. Check the compound against your process media, pressure and temperature before committing to a design. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.
Description -436 BLACK BUNA 50D O-RING
Actual Cross Section 0.275 inch (6.99 mm)
Actual Inside Diameter 5.85 inch (148.59 mm)
Actual Outside Diameter 6.4 inch (162.56 mm)
Measurement System Imperial
Product Category O-Rings - Bulk - Commodity