H50213 is an AS568-213 black Buna-N (Nitrile) 50 Shore A O-Ring supplied with an inside diameter of 0.921 in (23.39 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 1.199 in (30.45 mm). In service, this o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.
As a material, Buna-N (Nitrile) is specified for strong abrasion and tear resistance, low compression set under sustained load. Expect good resistance to many alcohols, greases and lubricants, and hydraulic fluids. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service. It should not be specified for service in automotive brake fluid or polar solvents.
It sees regular use in construction equipment, agricultural equipment, and general industrial maintenance.
Order part number H50213, sold individually. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.
Description -213 BLACK BUNA 50D O-RING
Actual Cross Section 0.139 inch (3.53 mm)
Actual Inside Diameter 0.921 inch (23.39 mm)
Actual Outside Diameter 1.199 inch (30.45 mm)
Measurement System Imperial
Product Category O-Rings - Bulk - Commodity