Manufactured by Hercules Sealing Products, the Style QR Buna-N Quattro Rings, -217 Size, 4 Per Pack are X-profile seals designed to outperform standard O-rings in dynamic and static sealing applications. The four-lobed geometry reduces friction and minimizes spiral twist, common failure modes in reciprocating and rotary hydraulic systems.
Constructed from Buna-N (nitrile) compound, these rings handle a service temperature range of -40°F to 240°F and are well suited for use with petroleum-based hydraulic fluids, lubricating oils, and many common industrial fluids. Pressure capacity varies according to diametral clearance, making proper groove and clearance specification essential for reliable performance. Each pack contains four rings.
SKU: QR-4217
Supplier Part Number (MPN): QR-4217
Alternate Part Numbers: C1FC96, MI-01235000, MINO-00407X70533
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Specifications
Alternate Part Numbers
Alternate Part NumberC1FC96, Alternate Part Number MI-01235000, Alternate Part Number MINO-00407X70533
Dash Size
-217
Brand
Hercules Sealing Products
Brand
Hercules Sealing Products
Pack Size
1.00
UOM
EA
Package Qty.
4
Supplier Part Number
QR-4217
Product Weight
0.01 lbs
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Product Questions & Answers (1)
Question by: Neal T on Apr 13, 2025, 5:14 PM
got a -217 groove already cut for an o-ring. are these quattro rings the same dash size fit wise
Answer by: Customer Support on Apr 15, 2025, 3:08 PM
Fit starts with the dash size. These are -217 size Quattro Rings, so they match the -217 sizing convention, but they use an X-profile instead of a round cross section. Make sure your groove and diametral clearance are appropriate, since pressure capability varies with that clearance.