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90 Durometer Buna-N O-Ring, Inch OD, 1-5/16 Inch ID, 0.14 Inch Width

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Description & Features

The 90 Durometer Buna-N O-Ring is engineered for robust sealing performance in demanding environments. With an actual inner diameter of 1.296 inches and an outer diameter of 1.574 inches, this O-ring is designed to provide a reliable seal in a variety of industrial applications. The Buna-N material offers excellent resistance to oils and chemicals, supporting a temperature range from -40°F to 240°F, making it ideal for use in hydraulic systems where durability is paramount.

Manufactured by Hercules Sealing Products, this O-ring features a nominal width of 0.14 inches, ensuring a snug fit in precision-engineered components. Its high durometer rating of 90 provides a firm yet flexible seal, suitable for static and dynamic sealing tasks. The product is categorized under the Dash Size -219, ensuring easy identification and compatibility with standard fittings and components.

SKU: A-219-90D

Supplier Part Number (MPN): 568-219-90D

Alternate Part Numbers: 2-219 N90, 2-219/N90, 2-219N90, C1CE69

Specifications

Actual I.D.
1.30
Actual O.D.
1.57
Actual Width
0.139 in
Dash Size
-219
Brand
Hercules Sealing Products
Brand
Hercules Sealing Products
Pack Size
1.00
UOM
EA
Nominal I.D. (in)
1-5/16
Nominal O.D.
1-9/16
Nominal Width
1/8
Package Qty.
19
Supplier Part Number
568-219-90D
Alternate Part Numbers
Alternate Part Number 2-219 N90, Alternate Part Number 2-219/N90, Alternate Part Number 2-219N90, Alternate Part Number 568-219-90D, Alternate Part Number C1CE69
Product Weight
0.01 lbs

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Product Questions & Answers (3)

Question by: Phil B on Oct 24, 2025, 3:01 PM
i’ve got an -219 o-ring i’m swapping out, is this the right dash size and material or am i off a bit?
Answer by: Customer Support on Oct 25, 2025, 3:40 PM
Match-up wise, this one is a dash size -219 in 90 durometer Buna-N (nitrile). If your old seal is marked or spec’d as -219 and you need a harder Buna-N, it lines up with that callout.
Question by: Randy S on Nov 5, 2025, 7:23 PM
What size is this O ring exactly? I need to make sure it'll fit my application.
Answer by: Customer Support on Nov 7, 2025, 6:49 AM
The actual measurements are 1.296 inches for the inside diameter, 1.574 inches for the outside diameter, and a width of 0.139 inches.
Question by: Dustin B on Jul 24, 2025, 5:19 PM
What's the temp range on these o-rings?
Answer by: Customer Support on Jul 25, 2025, 8:18 PM
The 90 Durometer Buna-N O-Ring can handle temps from -40°F up to 240°F.