Style QR Buna-N Quattro Rings offer superior sealing performance in dynamic applications. Also known as quad rings, these Hercules Sealing Products seals are constructed from Buna-N, providing a temperature range of -40°F to 240°F.
These -211 size quattro rings are suitable for a variety of industrial applications. Each package contains 5 rings.
SKU: QR-4211
Supplier Part Number (MPN): QR-4211
Alternate Part Numbers: C1FC90, MI-01234962, MINO-00407X70527
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Specifications
Alternate Part Numbers
Alternate Part NumberC1FC90, Alternate Part Number MI-01234962, Alternate Part Number MINO-00407X70527
Dash Size
-211
Brand
Hercules Sealing Products
Brand
Hercules Sealing Products
Pack Size
1.00
UOM
EA
Package Qty.
5
Supplier Part Number
QR-4211
Product Weight
0.01 lbs
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Product Questions & Answers (3)
Question by: Harold A on Nov 18, 2025, 12:30 PM
got a cylinder that takes a -211 seal. are these the quad ring style and how many come in a pack?
Answer by: Customer Support on Nov 20, 2025, 6:51 AM
For dash size -211, these are Style QR Buna-N quattro rings, also called quad rings. Each package includes 5 rings.
Question by: Darryl B on Jul 15, 2025, 2:03 PM
these come in a 5-pack, right? just wanna make sure before I order -- got a job coming up and need enough to finish it out
Answer by: Customer Support on Jul 17, 2025, 10:56 AM
each pack comes with 5 rings. The -211 dash size in Buna-N, all five in one package, so you can plan your order around how many you need for the job.
Question by: Peggy M on Oct 8, 2025, 1:29 PM
What kinda temps can these quattro rings handle without goin' bad?
Answer by: Customer Support on Oct 9, 2025, 5:14 PM
These Buna-N quad rings are good for temperatures between -40°F and 240°F.
