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2 piece piston seals are available in materials including glass filled PTFE, and urethane.
Square Piston Seals
Unit of Measure
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Item #

Item Description

Outside Diameter

Inside Diameter

Height

Alternate Part #

List Price

50X4.2 BRONZE N/A 4.2 Millimeter (mm) Height, 50 Millimeter (mm) Outside Diameter, and 39 Millimeter (mm) Inside Diameter 2 Piece Bronze Metric Piston Seal N/A 50 mm N/A 39 mm N/A 4.2 mm N/A 6597420 {}
50X4.2PSF N/A 4.2 Millimeter (mm) Height, 50 Millimeter (mm) Outside Diameter, and 39 Millimeter (mm) Inside Diameter Flexible Piston Seal N/A 50 mm N/A 39 mm N/A 4.2 mm N/A 4327110 MPSU-50X4X2.9 {}
50X4.3X2 MPS N/A 4.3 Millimeter (mm) Height, 50 Millimeter (mm) Outside Diameter, and 40 Millimeter (mm) Inside Diameter 2 Piece Metric Piston Seal N/A 50 mm N/A 40 mm N/A 4.3 mm N/A MPS-50X4.3X2 {}
50X4.4X1.2-MPS N/A 1.2 Millimeter (mm) Height, 50 Millimeter (mm) Outside Diameter, and 4.4 Millimeter (mm) Inside Diameter 2 Piece Polytetrafluoroethylene (PTFE) Metric Piston Seal N/A 50 mm N/A 4.4 mm N/A 1.2 mm N/A MPS-50X4.4X1.2 {}
50X4X2.5-MPS N/A 2.5 Millimeter (mm) Height, 50 Millimeter (mm) Outside Diameter, and 4 Millimeter (mm) Inside Diameter 2 Piece Polytetrafluoroethylene (PTFE) Metric Piston Seal N/A 50 mm N/A 4 mm N/A 2.5 mm N/A 6597410 MPS-50X4X2.5 {}
50X4X2.9 MPS N/A 4 Millimeter (mm) Height, 50 Millimeter (mm) Outside Diameter, and 39 Millimeter (mm) Inside Diameter 2 Piece Polytetrafluoroethylene (PTFE) Metric Piston Seal N/A 50 mm N/A 39 mm N/A 4 mm N/A MPS-50X4X2.9-B5 {}
50X6.3 PSF N/A 6.3 Millimeter (mm) Height, 50 Millimeter (mm) Outside Diameter, and 34.5 Millimeter (mm) Inside Diameter Flexible Piston Seal N/A 50 mm N/A 34.5 mm N/A 6.3 mm N/A 4427410 MPSU-50X6X3.5 {}
50X6X3.5-MPS N/A 3.5 Millimeter (mm) Height, 50 Millimeter (mm) Outside Diameter, and 6 Millimeter (mm) Inside Diameter 2 Piece Polytetrafluoroethylene (PTFE) Metric Piston Seal N/A 50 mm N/A 6 mm N/A 3.5 mm N/A MPS-50X6X3.5 {}
52X4X2.9-MPS N/A 2.9 Millimeter (mm) Height, 52 Millimeter (mm) Outside Diameter, and 4 Millimeter (mm) Inside Diameter 2 Piece Polytetrafluoroethylene (PTFE) Metric Piston Seal N/A 52 mm N/A 4 mm N/A 2.9 mm N/A MPS-52X4X2.9-B5 {}
53X4X2.5-MPS N/A 2.5 Millimeter (mm) Height, 53 Millimeter (mm) Outside Diameter, and 4 Millimeter (mm) Inside Diameter 2 Piece Polytetrafluoroethylene (PTFE) Metric Piston Seal N/A 53 mm N/A 4 mm N/A 2.5 mm N/A MPS-53X4X2.5 {}
55X39.5X6.3-MKPD N/A 6.3 Millimeter (mm) Height, 55 Millimeter (mm) Outside Diameter, and 39.5 Millimeter (mm) Inside Diameter 2 Piece Urethane Metric Piston Seal N/A 55 mm N/A 39.5 mm N/A 6.3 mm N/A MKPD-55X39.5X6.3 {}
55X4.2 PSF N/A 4.2 Millimeter (mm) Height, 55 Millimeter (mm) Outside Diameter, and 44 Millimeter (mm) Inside Diameter Flexible Piston Seal N/A 55 mm N/A 44 mm N/A 4.2 mm N/A 4465510 {}
55X4.3X2-MPS N/A 2 Millimeter (mm) Height, 55 Millimeter (mm) Outside Diameter, and 4.3 Millimeter (mm) Inside Diameter 2 Piece Polytetrafluoroethylene (PTFE) Metric Piston Seal N/A 55 mm N/A 4.3 mm N/A 2 mm N/A MPS-55X4.3X2 {}
55X44X4.2 N/A 4.2 Millimeter (mm) Height, 55 Millimeter (mm) Outside Diameter, and 44 Millimeter (mm) Inside Diameter 2 Piece Urethane Metric Piston Seal N/A 55 mm N/A 44 mm N/A 4.2 mm N/A MKPD-55X44X4.2 {}
55X4X2.9-MPS N/A 2.9 Millimeter (mm) Height, 55 Millimeter (mm) Outside Diameter, and 4 Millimeter (mm) Inside Diameter 2 Piece Polytetrafluoroethylene (PTFE) Metric Piston Seal N/A 55 mm N/A 4 mm N/A 2.9 mm N/A 6597510 MPS-55X4X2.9-B5 {}
55X6.3 PSF N/A 6.3 Millimeter (mm) Height, 55 Millimeter (mm) Outside Diameter, and 39.5 Millimeter (mm) Inside Diameter Flexible Piston Seal N/A 55 mm N/A 39.5 mm N/A 6.3 mm N/A 4335610 MPSU-55X6X2.5 {}
55X6X3.5-MPS N/A 3.5 Millimeter (mm) Height, 55 Millimeter (mm) Outside Diameter, and 6 Millimeter (mm) Inside Diameter 2 Piece Polytetrafluoroethylene (PTFE) Metric Piston Seal N/A 55 mm N/A 6 mm N/A 3.5 mm N/A MPS-55X6X3.5 {}
56X4X2.9-MPS N/A 2.9 Millimeter (mm) Height, 56 Millimeter (mm) Outside Diameter, and 4 Millimeter (mm) Inside Diameter 2 Piece Polytetrafluoroethylene (PTFE) Metric Piston Seal N/A 56 mm N/A 4 mm N/A 2.9 mm N/A MPS-56X4X2.9 {}
60X3.7X1.5-MPS N/A 1.5 Millimeter (mm) Height, 60 Millimeter (mm) Outside Diameter, and 3.7 Millimeter (mm) Inside Diameter 2 Piece Polytetrafluoroethylene (PTFE) Metric Piston Seal N/A 60 mm N/A 3.7 mm N/A 1.5 mm N/A MPS-60X3.7X1.5 {}
60X3.8X2-MPS N/A 2 Millimeter (mm) Height, 60 Millimeter (mm) Outside Diameter, and 3.8 Millimeter (mm) Inside Diameter 2 Piece Polytetrafluoroethylene (PTFE) Metric Piston Seal N/A 60 mm N/A 3.8 mm N/A 2 mm N/A MPS-60X3.8X2 {}
60X4.20PSF N/A 4.2 Millimeter (mm) Height, 60 Millimeter (mm) Outside Diameter, and 49 Millimeter (mm) Inside Diameter Flexible Piston Seal N/A 60 mm N/A 49 mm N/A 4.2 mm N/A 4327010 MPSU-60X4X2.9 {}
60X4.9X2.5-MPS N/A 2.5 Millimeter (mm) Height, 60 Millimeter (mm) Outside Diameter, and 4.9 Millimeter (mm) Inside Diameter 2 Piece Polytetrafluoroethylene (PTFE) Metric Piston Seal N/A 60 mm N/A 4.9 mm N/A 2.5 mm N/A MPS- 60X4.9X2.5 {}
60X44.5X6.3 N/A 6.3 Millimeter (mm) Height, 60 Millimeter (mm) Outside Diameter, and 44.5 Millimeter (mm) Inside Diameter 2 Piece Metric Piston Seal N/A 60 mm N/A 44.5 mm N/A 6.3 mm N/A MKPD-60X44.5X6.3 {}
60X49X4.2-MKPD N/A 4.2 Millimeter (mm) Height, 60 Millimeter (mm) Outside Diameter, and 49 Millimeter (mm) Inside Diameter Urethane 2 Piece Metric Piston Seal N/A 60 mm N/A 49 mm N/A 4.2 mm N/A MKPD-60X49X4.2 {}
60X49X4.2-MPSQ N/A 4.2 Millimeter (mm) Height, 60 Millimeter (mm) Outside Diameter, and 49 Millimeter (mm) Inside Diameter Quad Loaded 2 Piece Metric Piston Seal N/A 60 mm N/A 49 mm N/A 4.2 mm N/A MPSQ-60X49X4.2 {}
Unit of Measure
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