Call 817-861-8144

O-Rings, Custom Rubber Molding, Gaskets, Hard Parts

Summit Industries, Inc. 475 Dodson Lake Drive
Arlington, Texas 76012

Hammer Union Seals Chart

Nitrile (Buna-N, NBR)

Part No. Size Description Weco Figure Nos.*
99-072 1" 80 duro Nitrile Seal Ring 602, 1002
99-082 1 - 1/2" 80 duro Nitrile Seal Ring 602, 1002
99-039 2" 80 duro Nitrile Seal Ring 602, 1002
99-039-90 2" 90 duro Nitrile Seal Ring 602, 1002
99-039NPS 2" 80 duro Nitrile Seal Ring (non-pressure) 602, 1002
99-045F 2" 80 duro Nitrile Seal Ring w/ Brass 1002, 1502
99-045FS 2" 80 duro Nitrile Seal Ring w/ Stainless 1002, 1502
99-040 3" 80 duro Nitrile Seal Ring 602, 1002
99-040-90 3" 90 duro Nitrile Seal Ring 602, 1002
99-046F 3" 80 duro Nitrile Seal Ring w/ Brass 1002, 1502
99-046S 3" 80 duro Nitrile Seal Ring w/ Stainless 1002, 1502
99-041 4" 80 duro Nitrile Seal Ring 602, 1002
99-041-90 4" 90 duro Nitrile Seal Ring 602, 1002
99-047F 4" 80 duro Nitrile Seal Ring w/ Brass 1002, 1502
99-041S 4" 80 duro Nitrile Seal Ring w/ Stainless 1002, 1502
99-071 6" 80 duro Nitrile Seal Ring w/ Brass 1002, 1502
Most Common Sizes & Styles are Listed in Blue *May fit others not listed

VITON (Fluoroelastomer, FKM)

Part No. Size Description Weco Figure Nos.*
99-039V 2" 80 duro Viton Seal Ring 602, 1002
99-039V90 2" 90 duro Viton Seal Ring 602, 1002
99-045VB90 2" 90 duro Viton Seal Ring w/ Brass 1002, 1502
99-045VS 2" 80 duro Viton Seal Ring w/ Stainless 1002, 1502
99-040V 3" 80 duro Viton Seal Ring 602, 1002
99-040V90 3" 90 duro Viton Seal Ring 602, 1002
99-046VB90 3" 90 duro Viton Seal Ring w/ Brass 1002, 1502
99-046VS 3" 80 duro Viton Seal Ring w/ Stainless 1002, 1502
99-041V 4" 80 duro Viton Seal Ring 602, 1002
99-047VB90 4" 90 duro Viton Seal Ring w/ Brass 1002, 1502
99-047VS 4" 80 duro Viton Seal Ring w/ Stainless 1002, 1502
Call 817-861-8144 for More Information on Hammer Union Seals

Hammer Seal O-Rings

Part No. Nom. Pipe Size Nom. O-Ring I.D. Nom. O-Ring O.D. Nom. O-Ring C.S.
SS03-OR 3" 3 - 1/2" 5 - 1/4" 7/8"
SS04-OR 4" 4 - 1/2" 6 - 1/4" 7/8"
SS05-OR 5" 5 - 9/16" 7 - 5/16" 7/8"
SS06-OR 6" 6 - 5/8" 8 - 3/8" 7/8"
SS08-OR 8" 8 - 5/8" 10 - 3/8" 7/8"
SS10-OR 10" 10 - 3/4" 12 - 1/2" 7/8"
SS12-OR 12" 12 - 3/4" 14 - 1/2" 7/8"
SS13-OR 13" (casing) 13 - 3/8" 15 - 1/8" 7/8"
SS14-OR 14" 14" 15 - 3/4" 7/8"
SS16-OR 16" 16" 17 - 3/4" 7/8"
SS18-OR 18" 18" 19 - 3/4" 7/8"
SS20-OR 20" 20" 21 - 3/4" 7/8"
SS23-OR 23" 23" 24 - 3/4" 7/8"
Summit also offers a full assortment of Hammer Union Seals in all common styles & materials.
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