Today Sales -469 EPDM O-Ring, 70A Durometer, Black, 20" ID, 20-1/2" OD, 1/4" Width (Pack of 25)

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Overview

This EPDM O-ring is black in color, round in cross-section, has a durometer of 70A, and is designed for use in a wide variety of sealing applications.

EPDM is acceptable for temperature applications between -70 degrees F (-57 degrees C) to 300 degrees F (149 degrees C). It is compatible for use with water and steam, silicone oil and grease, polar solvents (alcohols), acids, glycol-based brake fluids, ozone, and weathering. It is vulnerable to many oils, gasoline, and solvents. This material meets ASTM International standards.

This EPDM O-ring has a shore durometer of 70A. Shore durometer is the hardness of a material, and its resistance to permanent indentation. A higher durometer value indicates greater resistance to indentation on a scale of 0 to 100, with 100 indicating no indentation.

O-rings commonly provide a pressure and fluid seal between cylindrically shaped, overlapping mating surfaces and are commonly seen in engines, faucets, flanges, valves, and various cylinders. They are circular in shape, with a round cross section and a hole in the center, similar to a doughnut. O-rings are available in various sizes, and can be ordered based on required nominal inside diameter (ID), outer diameter (OD), and cross-sectional (CS) diameter.

This EPDM O-ring meets standards defined by Aerospace Standard AS568A, which is the Aerospace Size Standard for O-rings.

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Small Parts 469 Item specifics

Meets standards defined by Aerospace Standard AS568A
Durometer (hardness) of 70A for resistance to penetration
Can be used in a wide temperature range from -70 degrees F (-57 degrees C) to 300 degrees F (149 degrees C)
Made of ethylene propylene diene monomer (EPDM) rubber for use with a variety of chemicals and environments
Round in cross-section to provide a seal between cylindrical overlapping surfaces
Brand: Small Parts
Model: 469
Product Type: Misc.

Customer Q&A Exchange

Small Parts 469 Review by Vincent Raicovi (Long Island, NY)

Needed this for filter/pump for the pool we put up every summer in our back yard. The o-ring arrived quickly and was exactly to the specifications listed on Amazon. As you might imagine, it worked perfectly!

Small Parts 469 Review by James A. Kephart "woodworker" (clio michigan)

the o-rings were fine ,but the package was short on the number of o-rings that were supposed to be in the package. this happened twice to me.

Small Parts 469 Review by R. Wright "x" (c)

Not much to say, exactly as described, i.e. it's an o-ring which it's ID/OD are as indicated. Prompt shipment, no damage (had to kill an o-ring in shipment)

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