H70MD473 is an AS568-473 black Buna-N (Nitrile) 70 Shore A O-Ring built to an inside diameter of 23.94 in (608.08 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 24.49 in (622.05 mm). In service, this o-ring delivers dependable bidirectional sealing in a compact groove envelope.
Expect good resistance to hydraulic fluids, water, and propane and butane. That behavior comes from the compound itself: Buna-N (Nitrile) is valued for strong abrasion and tear resistance, the most widely specified general-purpose sealing elastomer. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C).
The compound is metal detectable for HACCP and foreign-body control programs. It sees regular use in automotive, construction equipment, and agricultural equipment.
Reference part number H70MD473 when ordering; the item is sold individually. Application requirements vary, so validate compatibility with your process conditions prior to installation. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.
description -473 BLACK BUNA 70D O-RING
uf_description2 METAL DETECTABLE, 0.275" (6.99MM) CS X 23.940" (608.08MM) ID
Actual_CS 0.275 inch (6.99 mm)
Actual_ID 23.94 inch (608.08 mm)
Actual_OD 24.49 inch (622.05 mm)
ProductCode Description O-Rings - FDA / Metal Detectable