O-Ring for SAE O-Ring Boss (Straight Thread O-Ring) Fittings & Adapters, 0.50 Inch

Description & Features

This Buna-N O-Ring is suitable for use with SAE O-Ring Boss (Straight Thread O-Ring) fittings and adapters. Designed for a 0.50 inch tube size, this O-Ring ensures a reliable seal in hydraulic applications.

The Hercules Sealing Products O-Ring has an inner diameter of 0.644 inches and an outer diameter of 0.818 inches. It maintains its sealing properties in temperatures ranging from -30 to +250 degrees Fahrenheit.

SKU: B-908

Supplier Part Number (MPN): 568-908

Alternate Part Numbers: 3-908, 3-908/N90, C1CL31, H90908, MI-08748173, MINO-00407X88003, VB90908

Specifications

Brand
Hercules Sealing Products
Brand
Hercules Sealing Products
Pack Size
1.00
UOM
EA
I.D.
0.644 in
Materials
Buna-N (90 durometer)
O.D.
0.818 in
Supplier Part Number
568-908
Temperature Range
-30 to +250
Thread Sealant
No
Tube Size
0.50
Product Weight
0.01 lbs
Alternate Part Numbers
Alternate Part Number 3-908, Alternate Part Number 3-908/N90, Alternate Part Number 568-908, Alternate Part Number C1CL31, Alternate Part Number H90908, Alternate Part Number MI-08748173, Alternate Part Number MINO-00407X88003, Alternate Part Number VB90908

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Product Questions & Answers (1)

Question by: Johnny C on Oct 20, 2025, 10:33 AM
Reckon this o-ring'll fit my SAE O-Ring Boss fitting with a half-inch tube? Just wanna make sure before I order.
Answer by: Customer Support on Oct 21, 2025, 5:51 PM
This Buna-N O-ring is indeed designed to fit SAE O-Ring Boss (Straight Thread O-Ring) fittings and adapters that use a 0.50 inch tube size.

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