Part number H70FDA151 is an AS568-151 white Buna-N (Nitrile) 70 Shore A O-Ring measuring an inside diameter of 2.987 in (75.87 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 3.193 in (81.1 mm). An o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.
Buna-N (Nitrile) is specified for reliable performance in both static and dynamic service, the most widely specified general-purpose sealing elastomer. Expect good resistance to greases and lubricants, hydraulic fluids, and petroleum-based oils. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C). It should not be specified for service in automotive brake fluid or strong acids.
The compound meets FDA requirements for food contact, is metal detectable for HACCP and foreign-body control programs. You will find this material specified across general industrial maintenance, hydraulic and pneumatic systems, and construction equipment.
Order part number H70FDA151, sold individually. Nominal inside diameter is listed as 3 inch. 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 -151 WHITE BUNA 70D FDA O-RING
uf_description2 COMPLIANT TO 21CFR SEC 177-2600, 0.103" (2.62MM) CS X 2.987" (75.87MM) ID
Actual_CS 0.103 inch (2.62 mm)
Actual_ID 2.987 inch (75.87 mm)
Actual_OD 3.193 inch (81.1 mm)
ProductCode Description O-Rings - FDA / Metal Detectable