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-50ºF to +200ºF 5000 PSI
Urethane Used interchangeably for piston or rod sealing.
3/16 Inch (in) Height, 1/4 Inch (in) Inside Diameter, and 1/2 Inch (in) Outside Diameter Unloaded High Performance Symmetrical U-Cup Seal
Unit of Measure
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Item #

Item Description

Inside Diameter

Outside Diameter

Height

Alternate Part #

List Price

18702125G N/A 3/16 Inch (in) Height, 2-1/8 Inch (in) Inside Diameter, and 2-1/2 Inch (in) Outside Diameter High Performance Symmetrical U-Cup Seal N/A 2-1/8 in N/A 2-1/2 in N/A 3/16 in N/A HU18-2.12-18 {}
18702250312G N/A 5/16 Inch (in) Height, 2-1/4 Inch (in) Inside Diameter, and 2-5/8 Inch (in) Outside Diameter High Performance Symmetrical U-Cup Seal N/A 2-1/4 in N/A 2-5/8 in N/A 5/16 in N/A DSU18-2.25-31 {}
18702250375G N/A 3/8 Inch (in) Height, 2-1/4 Inch (in) Inside Diameter, and 2-5/8 Inch (in) Outside Diameter High Performance Symmetrical U-Cup Seal N/A 2-1/4 in N/A 2-5/8 in N/A 3/8 in N/A DSU18-2.25-37 {}
18702375375-G N/A 3/8 Inch (in) Height, 2-3/8 Inch (in) Inside Diameter, and 2-3/4 Inch (in) Outside Diameter High Performance Symmetrical U-Cup Seal N/A 2-3/8 in N/A 2-3/4 in N/A 3/8 in N/A DSU18-2.37-37 {}
18702500250G N/A 1/4 Inch (in) Height, 2-1/2 Inch (in) Inside Diameter, and 2-7/8 Inch (in) Outside Diameter High Performance Symmetrical U-Cup Seal N/A 2-1/2 in N/A 2-7/8 in N/A 1/4 in N/A DSU18-2.50-25 {}
18702500312G N/A 5/16 Inch (in) Height, 2-1/2 Inch (in) Inside Diameter, and 2-7/8 Inch (in) Outside Diameter High Performance Symmetrical U-Cup Seal N/A 2-1/2 in N/A 2-7/8 in N/A 5/16 in N/A {}
18702500375G N/A 3/8 Inch (in) Height, 2-1/2 Inch (in) Inside Diameter, and 2-7/8 Inch (in) Outside Diameter High Performance Symmetrical U-Cup Seal N/A 2-1/2 in N/A 2-7/8 in N/A 3/8 in N/A HU18-2.50-37 {}
18702500G N/A 3/16 Inch (in) Height, 2-1/2 Inch (in) Inside Diameter, and 2-7/8 Inch (in) Outside Diameter High Performance Symmetrical U-Cup Seal N/A 2-1/2 in N/A 2-7/8 in N/A 3/16 in N/A {}
18702625250G N/A 1/4 Inch (in) Height, 2-5/8 Inch (in) Inside Diameter, and 3 Inch (in) Outside Diameter High Performance Symmetrical U-Cup Seal N/A 2-5/8 in N/A 3 in N/A 1/4 in N/A DSU18-2.62-25 {}
18702625375G N/A 3/8 Inch (in) Height, 2-5/8 Inch (in) Inside Diameter, and 3 Inch (in) Outside Diameter High Performance Symmetrical U-Cup Seal N/A 2-5/8 in N/A 3 in N/A 3/8 in N/A HU18-2.62-37 {}
18702750G N/A 3/16 Inch (in) Height, 2-3/4 Inch (in) Inside Diameter, and 3-1/8 Inch (in) Outside Diameter High Performance Symmetrical U-Cup Seal N/A 2-3/4 in N/A 3-1/8 in N/A 3/16 in N/A {}
18702875250G N/A 1/4 Inch (in) Height, 2-7/8 Inch (in) Inside Diameter, and 3-1/4 Inch (in) Outside Diameter High Performance Symmetrical U-Cup Seal N/A 2-7/8 in N/A 3-1/4 in N/A 1/4 in N/A DSU18-2.87-25 {}
18702875375G N/A 3/8 Inch (in) Height, 2-7/8 Inch (in) Inside Diameter, and 3-1/4 Inch (in) Outside Diameter High Performance Symmetrical U-Cup Seal N/A 2-7/8 in N/A 3-1/4 in N/A 3/8 in N/A DSU18-2.87-37 {}
18703000375G N/A 3/8 Inch (in) Height, 3 Inch (in) Inside Diameter, and 3-3/8 Inch (in) Outside Diameter High Performance Symmetrical U-Cup Seal N/A 3 in N/A 3-3/8 in N/A 3/8 in N/A DSU18-3.00-37 {}
18703125375G N/A 3/8 Inch (in) Height, 3-1/8 Inch (in) Inside Diameter, and 3-1/2 Inch (in) Outside Diameter High Performance Symmetrical U-Cup Seal N/A 3-1/8 in N/A 3-1/2 in N/A 3/8 in N/A DSU18-3.12-37 {}
18703250375G N/A 3/8 Inch (in) Height, 3-1/4 Inch (in) Inside Diameter, and 3-5/8 Inch (in) Outside Diameter High Performance Symmetrical U-Cup Seal N/A 3-1/4 in N/A 3-5/8 in N/A 3/8 in N/A DSU18-3.25-37 {}
18703375375G N/A 3/8 Inch (in) Height, 3-3/8 Inch (in) Inside Diameter, and 3-3/4 Inch (in) Outside Diameter High Performance Symmetrical U-Cup Seal N/A 3-3/8 in N/A 3-3/4 in N/A 3/8 in N/A DSU18-3.37-37 {}
18703500375G N/A 3/8 Inch (in) Height, 3-1/2 Inch (in) Inside Diameter, and 3-7/8 Inch (in) Outside Diameter High Performance Symmetrical U-Cup Seal N/A 3-1/2 in N/A 3-7/8 in N/A 3/8 in N/A DSU18-3.50-37 {}
18703625250G N/A 1/4 Inch (in) Height, 3-5/8 Inch (in) Inside Diameter, and 4 Inch (in) Outside Diameter High Performance Symmetrical U-Cup Seal N/A 3-5/8 in N/A 4 in N/A 1/4 in N/A DSU18-3.62-25 {}
18703625375G N/A 3/8 Inch (in) Height, 3-5/8 Inch (in) Inside Diameter, and 4 Inch (in) Outside Diameter High Performance Symmetrical U-Cup Seal N/A 3-5/8 in N/A 4 in N/A 3/8 in N/A DSU18-3.62-37 {}
18703750375G N/A 3/8 Inch (in) Height, 3-3/4 Inch (in) Inside Diameter, and 4-1/8 Inch (in) Outside Diameter High Performance Symmetrical U-Cup Seal N/A 3-3/4 in N/A 4-1/8 in N/A 3/8 in N/A DSU18-3.75-37 {}
18704000375G N/A 3/8 Inch (in) Height, 4 Inch (in) Inside Diameter, and 4-3/8 Inch (in) Outside Diameter High Performance Symmetrical U-Cup Seal N/A 4 in N/A 4-3/8 in N/A 3/8 in N/A DSU18-4.00-37 {}
18705000375G N/A 3/8 Inch (in) Height, 5 Inch (in) Inside Diameter, and 5-3/8 Inch (in) Outside Diameter High Performance Symmetrical U-Cup Seal N/A 5 in N/A 5-3/8 in N/A 3/8 in N/A {}
21802812281G N/A .281 Inch (in) Height, 2-13/16 Inch (in) Inside Diameter, and 3-1/4 Inch (in) Outside Diameter High Performance Symmetrical U-Cup Seal N/A 2-13/16 in N/A 3-1/4 in N/A 0.281 in N/A HU21-2.81-28 {}
21802812G N/A 7/32 Inch (in) Height, 2-13/16 Inch (in) Inside Diameter, and 3-1/4 Inch (in) Outside Diameter High Performance Symmetrical U-Cup Seal N/A 2-13/16 in N/A 3-1/4 in N/A 7/32 in N/A HU21-2.81-28 {}
Unit of Measure
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