Ordered as H70MD019, this is an AS568-019 black Buna-N (Nitrile) 70 Shore A O-Ring built to an inside diameter of 0.801 in (20.35 mm), a cross section of 0.07 in (1.78 mm), and an outside diameter of 0.941 in (23.9 mm). The o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.
Expect good resistance to petroleum-based oils, hydraulic fluids, and greases and lubricants. Buna-N (Nitrile) is widely chosen for an economical choice for high-volume maintenance programs, strong abrasion and tear resistance. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C).
The compound is metal detectable for HACCP and foreign-body control programs. Typical settings include construction equipment, automotive, and agricultural equipment.
This item is sold individually under part number H70MD019. As always, verify media compatibility and operating conditions against the requirements of your specific application.
Description -019 BLACK BUNA 70D O-RING
Actual Cross Section 0.07 inch (1.78 mm)
Actual Inside Diameter 0.801 inch (20.35 mm)
Actual Outside Diameter 0.941 inch (23.9 mm)
Measurement System Imperial
Product Category O-Rings - FDA / Metal Detectable