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Cotton Fabric & Rubber Piston Cup, 4.00 Inch Bore, 0.63 Inch Height, 5/32 Inch Thick

Bore 4	Brand Hercules Sealing Products	Brand Hercules Sealing Products	Pack Size 1.00	UOM EA	Height 0.63	Supplier Part Number 9400-000F	Thickness (in) 5/32	Alternate Part Numbers Alternate Part Number C1CC63	Product Weight 0.14 lbs

Product Questions & Answers 2

Product Questions & Answers

Got a 4-inch bore cylinder that needs a new piston cup, this one rated to handle 3000 PSI?

Question by: Larry S on Apr 27, 2025, 9:39 PM

Rated from 0 to 3000 PSI, so yes, that pressure range covers most standard hydraulic cylinder applications. The cup measures 4.00 inches in bore, 0.63 inches tall, and 5/32 inch thick, so just make sure those dimensions line up with your cylinder before ordering.

Answer by: Customer Support on Apr 29, 2025, 2:23 PM

Reckon this piston cup will hold up in a hydraulic system pushing 2800 PSI?

Question by: Dale M on Sep 5, 2025, 12:56 PM

With a pressure range from 0 to 3000 PSI, this Hercules Sealing Products piston cup is suitable for systems operating at 2800 PSI.

Answer by: Customer Support on Sep 7, 2025, 7:39 AM

Similar Products

Model Number	Bore	Height	Thickness (in)
9125-000F	1.25	0.4375	3/32
9150-000F	1.5	0.5	1/8
9200-000F	2	0.5	1/8
9250-000F	2.5	0.5	1/8
9300-000F	3	0.625	5/32
9400-000F	4	0.625	5/32