APG stocks the H90330, an AS568-330 black Buna-N (Nitrile) 90 Shore A O-Ring measuring an inside diameter of 2.1 in (53.34 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 2.52 in (64.01 mm). An o-ring seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.
As a material, Buna-N (Nitrile) is widely chosen for an economical choice for high-volume maintenance programs, strong abrasion and tear resistance. The compound resists propane and butane, greases and lubricants, and hydraulic fluids. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C). Applications involving ketones or ozone and direct sunlight call for a different compound.
You will find this material specified across agricultural equipment, automotive, and general industrial maintenance.
Stocked as H90330 and sold individually. Unit weight is approximately 5.7861 g and nominal inside diameter is listed as 2 1/8 inch. Review your operating media and conditions against this specification before installation.
description -330 BLACK BUNA 90D O-RING
uf_description2 0.210" (5.33MM) CS X 2.100" (53.34MM) ID
Actual_CS 0.21 inch (5.33 mm)
Actual_ID 2.1 inch (53.34 mm)
Actual_OD 2.52 inch (64.01 mm)
ProductCode Description O-Rings - Bulk - Commodity