5MM CS X 65MM ID BLACK BUNA 70D

Buna-N O-Ring, 5 x 65 mm, 70A, Black, -40 to 250°F

Status
Available
Est. Ship Date
31 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:
H5X65
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Product Specification

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Part number H5X65 is a black Buna-N (Nitrile) 70 Shore A O-Ring built to an inside diameter of 65 mm (2.559 in), a cross section of 5 mm (0.197 in), and an outside diameter of 75 mm (2.95 in). An o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.

Buna-N (Nitrile) is specified here for reliable performance in both static and dynamic service, strong abrasion and tear resistance. The material holds up against greases and lubricants, propane and butane, and petroleum-based oils. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C). Applications involving automotive brake fluid or ketones call for a different compound.

It sees regular use in automotive, fluid power, and general industrial maintenance.

Reference part number H5X65 when ordering; the item is sold individually. Unit weight is approximately 5.273 g. Check the compound against your process media, pressure and temperature before committing to a design. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.
Item
H5X65
Description
5MM CS X 65MM ID BLACK BUNA 70D
Actual Outside Diameter
75 mm (2.95 inch)
Actual Cross Section
5 mm (0.197 inch)
Actual Inside Diameter
65 mm (2.559 inch)
FDA Compliant
No
Measurement System
Metric
Metal Detectable
No
NSF Certified
No
Product Code
6015
Product Category
O-Rings - Metric - Commodity