This o-ring is supplied in AS568-106 black Buna-N (Nitrile) 50 Shore A measuring an inside diameter of 0.174 in (4.42 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 0.38 in (9.65 mm), catalogued under part number H50106. It delivers dependable bidirectional sealing in a compact groove envelope.
This material stands up to many alcohols, hydraulic fluids, and propane and butane. That behavior comes from the compound itself: Buna-N (Nitrile) delivers an economical choice for high-volume maintenance programs and low compression set under sustained load. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C). Verify compatibility before use with automotive brake fluid or polar solvents.
Maintenance and OEM teams specify it across general industrial maintenance, construction equipment, and fluid power.
Order part number H50106, sold individually. Nominal inside diameter is listed as 3/16 inch. Review your operating media and conditions against this specification before installation. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.
Description -106 BLACK BUNA 50D O-RING
Actual Cross Section 0.103 inch (2.62 mm)
Actual Inside Diameter 0.174 inch (4.42 mm)
Actual Outside Diameter 0.38 inch (9.65 mm)
Measurement System Imperial
Product Category O-Rings - Bulk - Commodity