This o-ring is supplied in AS568-341 white Buna-N (Nitrile) 70 Shore A with an inside diameter of 3.475 in (88.27 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 3.895 in (98.93 mm), catalogued under part number H70FDA341. It compresses into its gland to block fluid or gas migration across a joint.
Buna-N (Nitrile) is specified here for strong abrasion and tear resistance, low compression set under sustained load. This material stands up to many alcohols, petroleum-based oils, and hydraulic fluids. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C). Applications involving automotive brake fluid or ketones call for a different compound.
This o-ring meets FDA requirements for food contact, is metal detectable for HACCP and foreign-body control programs. You will find this material specified across agricultural equipment, construction equipment, and hydraulic and pneumatic systems.
Reference part number H70FDA341 when ordering; the item is sold individually. Unit weight is approximately 8.324 g. Check the compound against your process media, pressure and temperature before committing to a design.
description -341 WHITE BUNA 70D FDA O-RING
uf_description2 COMPLIANT TO 21CFR SEC 177-2600, 0.210" (5.33MM) CS X 3.475" (88.27MM) ID
Actual_CS 0.21 inch (5.33 mm)
Actual_ID 3.475 inch (88.27 mm)
Actual_OD 3.895 inch (98.93 mm)
ProductCode Description O-Rings - FDA / Metal Detectable