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O-Ring for SAE O-Ring Boss (Straight Thread O-Ring) Fittings & Adapters, 0.63 Inch

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Brand
Hercules Sealing Products
Brand
Hercules Sealing Products
Pack Size
1.00
UOM
EA
I.D.
0.755 in
Materials
Buna-N (90 durometer)
O.D.
0.949 in
Supplier Part Number
568-910
Temperature Range
-30 to +250
Thread Sealant
No
Tube Size
0.63
Product Weight
0.01 lbs
Alternate Part Numbers
Alternate Part Number 3-910, Alternate Part Number 568-910, Alternate Part Number C1CL32, Alternate Part Number H90910, Alternate Part Number MI-08748174, Alternate Part Number MINO-00407X88004
Product Questions & Answers 2

Product Questions & Answers

What size is this O-ring actually for? The name says 0.63 inch, but the description says 0.625 inch.
Question by: Earl J on Jan 28, 2026, 4:27 PM
This O-ring is designed for use with SAE O-Ring Boss fittings and adapters that have a 0.625-inch tube size.
Answer by: Customer Support on Jan 30, 2026, 4:21 PM
got an ORB fitting for 5/8 tube size, is this the right o-ring or am i off a size?
Question by: Randy P on Sep 11, 2025, 6:20 PM
For a 0.625 inch tube size SAE O-Ring Boss straight thread fitting or adapter, this is the matching Buna-N O-ring. The dimensions are 0.755 inch ID, 0.949 inch OD, with a 0.097 inch cross-section.
Answer by: Customer Support on Sep 13, 2025, 8:26 AM

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