APG stocks the H70MD429, an AS568-429 black Buna-N (Nitrile) 70 Shore A O-Ring supplied with an inside diameter of 4.975 in (126.37 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 5.525 in (140.34 mm). An o-ring delivers dependable bidirectional sealing in a compact groove envelope.
It resists propane and butane, greases and lubricants, and petroleum-based oils. Buna-N (Nitrile) is specified for an economical choice for high-volume maintenance programs, reliable performance in both static and dynamic service. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C). Exposure to automotive brake fluid or strong acids will shorten service life.
This o-ring is metal detectable for HACCP and foreign-body control programs. Common environments for this compound include general industrial maintenance, construction equipment, and automotive.
Order part number H70MD429, sold individually. As always, verify media compatibility and operating conditions against the requirements of your specific application. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.
description -429 BLACK BUNA 70D O-RING
uf_description2 METAL DETECTABLE, 0.275" (6.99MM) CS X 4.975" (126.36MM) ID
Actual_CS 0.275 inch (6.99 mm)
Actual_ID 4.975 inch (126.37 mm)
Actual_OD 5.525 inch (140.34 mm)
ProductCode Description O-Rings - FDA / Metal Detectable