Product reviews for Small Parts 248

Ratings

Category: Misc.
Brand: Small Parts
Model: 248
Availability: Product availability may differ by country. In Stock (USA)
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Read Small Parts 248 Customer reviews

Small Parts 248 Review by J. Fink (Suisun, CA)

Just what I needed to fix my pool fill valve. 25 is a lot but now I'm covered.

Small Parts 248 Review by Barkingmad (Colorado (wild west)

Thanks for stocking these O-rings ; I could not find them locally. Just what I needed. Still arrived ahead of a few other items I ordered at the same time from other venders here on Amazon so I changed my review to five stars.

Small Parts 248 Review by Jason Heiss

Dunno what to say about an o-ring, but they appear to be well-made, come nicely packaged, etc.

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Small Parts 248::Description

This Viton O-ring is black in color, round in shape, has a durometer (hardness) of 75A, and is designed for use in a wide variety of sealing applications.

Viton has excellent heat, fuel, and chemical resistance. Viton is acceptable for temperature applications between -15 degrees F (-26 degrees C) to 400 degrees F (205 degrees C). It is compatible for use with non-flammable hydraulic fuels, silicone oil, chlorinated hydrocarbons (trichlorethylene), fuels, aromatic hydrocarbons (benzene) and aliphatic hydrocarbons (propane), as well as high vacuum environments, ozone, and weathering. Viton is vulnerable to low molecular organic acids, ammonia gas, alkalis, amines, glycol-based brake fluids, and super-heated steam.

This Viton O-ring has a shore durometer of 75A. 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 Viton O-ring meets standards defined by Aerospace Standard AS568A, which is the Aerospace Size Standard for O-rings.