5MM CS X 28MM ID BLACK BUNA 70D

Buna-N O-Ring, 5 x 28 mm, 70A, Black, -40 to 250°F

Status
Available
Est. Ship Date
28 Oct 2026
Material
Buna-N (Nitrile / NBR)
Durometer
70 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:
H5X28
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Product Specification

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Part number H5X28 is a black Buna-N (Nitrile) 70 Shore A O-Ring measuring an inside diameter of 28 mm (1.102 in), a cross section of 5 mm (0.197 in), and an outside diameter of 38 mm (1.5 in). An o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.

Buna-N (Nitrile) is valued for the most widely specified general-purpose sealing elastomer and low compression set under sustained load. This material stands up to hydraulic fluids, many alcohols, and propane and butane. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service. Verify compatibility before use with polar solvents or automotive brake fluid.

Typical settings include agricultural equipment, general industrial maintenance, and automotive.

Stocked as H5X28 and sold individually. Unit weight is approximately 2.4861 g. As always, verify media compatibility and operating conditions against the requirements of your specific application.
Item
H5X28
Description
5MM CS X 28MM ID BLACK BUNA 70D
Actual Outside Diameter
38 mm (1.5 inch)
Actual Cross Section
5 mm (0.197 inch)
Actual Inside Diameter
28 mm (1.102 inch)
FDA Compliant
No
Measurement System
Metric
Metal Detectable
No
NSF Certified
No
Product Code
6015
Product Category
O-Rings - Metric - Commodity