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Piston T-Seal, 5.50 Inch Bore, O-Ring Groove

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Description & Features

This Hercules Sealing Products Piston T-Seal is designed for use in hydraulic cylinders with a 5.50 inch bore and features an O-ring groove for secure sealing.

Constructed from durable Buna-N rubber and hard plastic back-up rings, this Piston T-Seal is suitable for applications with pressures ranging from 0 to 10,000 PSI and temperatures from -65°F to 220° F.

SKU: TP-051

Supplier Part Number (MPN): TP-051

Alternate Part Numbers: C1DM39

Specifications

Bore
5.50
Brand
Hercules Sealing Products
Brand
Hercules Sealing Products
Pack Size
1.00
UOM
EA
Supplier Part Number
TP-051
Alternate Part Numbers
Alternate Part Number C1DM39
Product Weight
0.06 lbs

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Product Questions & Answers (3)

Question by: Glen C on Jul 30, 2025, 1:16 PM
got a cylinder with a 5.50 bore, is this TP-051 the right piston seal for it?
Answer by: Customer Support on Jul 31, 2025, 2:46 PM
It’s built for hydraulic cylinders with a 5.50 inch bore and it’s the Piston T-Seal style that includes an O-ring groove.
Question by: Travis C on Jan 30, 2026, 7:55 PM
What pressure range can this T-seal handle?
Answer by: Customer Support on Feb 1, 2026, 5:35 PM
It's rated to handle pressures from 0 up to 10,000 PSI.
Question by: Rex R on Jul 8, 2025, 4:21 PM
Got a 5.50 inch bore cylinder that needs a new piston seal, will this T-seal work with that size, and what's it made out of?
Answer by: Customer Support on Jul 10, 2025, 6:42 AM
Right fit for a 5.50 inch bore. The seal itself is Buna-N rubber with hard plastic back-up rings, which gives you good resistance to pressure and wear in hydraulic cylinder applications. The O-ring groove design helps keep everything seated and secure once it's installed.