APG stocks the H70FDA338, an AS568-338 white Buna-N (Nitrile) 70 Shore A O-Ring supplied with an inside diameter of 3.1 in (78.74 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 3.52 in (89.41 mm). An o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.
The compound resists propane and butane, water, and hydraulic fluids. Buna-N (Nitrile) delivers low compression set under sustained load, strong abrasion and tear resistance. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C).
The compound meets FDA requirements for food contact, is metal detectable for HACCP and foreign-body control programs. Common environments for this compound include fluid power, general industrial maintenance, and agricultural equipment.
Reference part number H70FDA338 when ordering; the item is sold individually. Nominal inside diameter is listed as 3 1/8 inch. Review your operating media and conditions against this specification before installation.
description -338 WHITE BUNA 70D FDA O-RING
uf_description2 COMPLIANT TO 21CFR SEC 177-2600, 0.210" (5.33MM) CS X 3.100" (78.74MM) ID
Actual_CS 0.21 inch (5.33 mm)
Actual_ID 3.1 inch (78.74 mm)
Actual_OD 3.52 inch (89.41 mm)
ProductCode Description O-Rings - FDA / Metal Detectable