5.7MM CS X 79.6MM ID BLACK BUNA 90D

Buna-N O-Ring, 5.7 x 79.6 mm, 90A, Black, -40 to 250°F

Status
Available
Est. Ship Date
31 Oct 2026
Material
Buna-N (Nitrile / NBR)
Durometer
90 Shore A
Cross Section Type
Round
Color
Black
Minimum Temperature
-40°F (-40°C)
Maximum Temperature
250°F (121°C)
Unit of Measure
EA
SKU:
H90M5.7X79.6
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Product Specification

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H90M5.7X79.6 is a black Buna-N (Nitrile) 90 Shore A O-Ring supplied with an inside diameter of 79.6 mm (3.134 in), a cross section of 5.7 mm (0.224 in), and an outside diameter of 91 mm (3.58 in). In service, this o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load. This item is further identified as Metric O-RING, JIS P80.

It resists propane and butane, water, and many alcohols. Buna-N (Nitrile) is widely chosen for reliable performance in both static and dynamic service, the most widely specified general-purpose sealing elastomer. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C).

Typical settings include automotive, fluid power, and hydraulic and pneumatic systems.

Stocked as H90M5.7X79.6 and sold individually. Unit weight is approximately 9.4049 g. Application requirements vary, so validate compatibility with your process conditions prior to installation.
Item
H90M5.7X79.6
Description
5.7MM CS X 79.6MM ID BLACK BUNA 90D
Actual Outside Diameter
91 mm (3.58 inch)
Actual Cross Section
5.7 mm (0.224 inch)
Actual Inside Diameter
79.6 mm (3.134 inch)
FDA Compliant
No
Measurement System
Metric
Metal Detectable
No
NSF Certified
No
Product Code
6015
Product Category
O-Rings - Metric - Commodity