443 Buna-N O-Ring, 70A Durometer, Round, Black, 7-1/2" ID, 8" OD, 1/4" Width (Pack of 2)

Key features

•Made of Buna-nitrile (also called Buna-N) for use with a variety of fluids and hydrocarbons
•Can be used across a wide temperature range from -30 degrees F (-34 degrees C) to 250 degrees F (121 degrees C)
•Round in cross-section to provide a seal between cylindrical overlapping surfaces
•Durometer (hardness) of 70A for resistance to penetration
•Meets standards defined by Aerospace Standard AS568A

BrandMr O-Ring

CategoryO-Rings

Size443

ColorBlack

443 Buna-N O-Ring, 70A Durometer, Round, Black, 7-1/2" ID, 8" OD, 1/4" Width (Pack of 2)

List Price: $15.21$13.69DEALYou Save: $1.52 (10%)

Free shippingFree Returns – 30 daysFree Order CancellationSecure Payment2–3 Days DeliveryGet It August 10, 2026In Stock (2)No marketing spamNo account requiredFulfilment by FedEx / Amazon / UPS / ShipwirePayPal / Card Buyer Protection

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$.125\'\' (1/8\" Actual) Buna-N O-Ring Cord Stock, 70A Durometer, 0.125\" Thickness, 10\' Piece, Black$