O-ring. We Represent Manufacturers for your Custom Non-metallic Parts Requirements. cast urethane, die-cut parts and slit tape, dip-molding and coating plastic, extruded plastic, extruded rubber,plastic, molded composites, molded plastic, molded rubber

jobst incorporated Standard O-Rings

Trade Sizes Back Up O-Ring Teflon Encapsulated

Materials: Nitrile Buna-N Viton Fluorocarbon Silicone EPDM Ethylene Propylenediene Neoprene Polychloroprene

O- Ring Type	Specification
70 or 90 Durometer Back Up O-Ring
Nitride (Buna N) 70 Durometer	2BG720 B34 E14 E51 E61 F17 L14
	^{M2BG714 B34 EA14 EF11 EF21 EO14 EO34 F17}
	^{SB720 B E1 E3 F1}

^{Nitrile (Buna N) 90 Durometer}	^{7BG915 B14 E14 E34 E51 E61L14}
	^{M7BG910 B14 EA14 EF11 EF21 EO14 EO34 F17}
	^{SB915 B E1 E3}
back to top
^{Viton (Fluorocarbon) 75 Durometer}	4HK715 A1-11 B38 E71 E88 Z1 75±5 durometer
	M4HK710 A1-11 B38 EF31 EO78 Z1 75±5 durometer

^{Silicone 70 Durometer}	^{7GE707 A19 B37 E16 E36 F19 G11 L14}
	^{M7BE705 A19 B37 EA14 EO16 EO36 F19 G11}
	^{TA707 B E1 E3 F2}
back to top
^{EPDM 70 Durometer}	^{2AA715 A13 B13 C12 F17 L14}
	^{M4AA710 A13 B13 C12 EA14 F17}
	^{R715 B F2}
	^{(Not Recommended for Brake Fluid Applications)}

^{Neoprene 70 Durometer}	^{2BC715 A14 B14 E14 E34 F17}
	^{M2BC710 B14 EO14 EO34 F17}
	^{SC715 B E1 E3 F1}

Back-Up Ring Square	Specification ASTM D2002
^{Nitrile (Buna N) 90 Durometer}	^{7BG915 B14 E14 EO14 EO34 EF11 EF21 F17}

^{Teflon Encapsulated}	^Ask

^{ANSI/ASTM (American National Standard) D-2000 both metric and english}
^{These standards are also approved by SAE (Society of Automotive Engineers)}

P.O. Box 8 Prior Lake, MN 55372

Phone: 952.447.3904 Fax: 978.945-6121.6121