AS-568B Standard O-Rings

Fluorosilicone: In the Fluorosilicone family, you will find compounds which make-up seals that are unparalleled for aerospace fuel systems and auto fuel emission control systems. All materials are compounded under stringent quality control for uniformity of physical properties, and to meet or exceed Government, Military, Space Program, Automotive, F.D.A., Industrial and Commercial specifications.

Fluorocarbon: In the Fluorocarbon family, you will find compounds which make-up the preferred seals for aircraft engines, automotive fuel handling systems and hard vacuum service.

Neoprene^?: In the Neoprene family, you will find compounds which are the superior sealing materials for the refrigeration industry featuring resistance to ammonia and Freon^?.

Cast Polyurethane: In the Cast Polyurethane family, you will find compounds which are used predominantly in high hydraulic pressure applications and situations where highly stressed parts are subject to wear.

Silicone: In the Silicone family, you will find compounds which are excellent as static seals in extreme temperature conditions.

Ethylene-Propylene: In the Ethylene-Propylene family, you will find compounds that are used extensively for outdoor, weather resistant uses, water appliances. The first choice for low torque drive belts.

Buna-N: In the Buna-N family, you will find compounds which are ideally suited for oil resistant applications of all types.

O-Rings from Apple Rubber are available in a choice of seven basic materials each in a range of optional Durometer (Shore A) Hardnesses. Other materials available upon request.

We highly recommend that in all cases, samples of a specific size and compound should be tested in the application before use in production.

Fastest Delivery on O-Rings: Most likely the size and compound you require is in our stock of over 300,000,000 O-rings. Immediate shipments with no intermediate delays. (Remember - with Apple Rubber you buy direct.)

Choice of Seven Materials as Standard: We offer rubber compounds and options of Durometer hardness to satisfy practically any service condition. Check with our sales staff for other material needs.

Simplified Reference Easy to Order: Our Quick Reference Guide has all the information you need at a glance. All sizes are listed by ascending inside diameter (I.D.) in fractional AND decimal sizes. Standard AS-568B Uniform Numbering System (Order by a single number). Click to download the Quick Reference Guide attachment.

Apple Rubber offers the seal industry's largest inventory of O-rings including every size, with I.D.'s from 1/32" to 26", O.D.'s from 3/32" to 26-1/2" and cross sections (widths) from 1/32" to 1/4". Most likely the size and compound you require is in our stock of over 300,000,000 O-rings.

Apple Rubber offers the seal industry's largest inventory of O-rings including every standard AS-568B size