5MM CS X 67MM ID BLACK BUNA 70D

Buna-N O-Ring, 5 x 67 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:
H5X67
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Product Specification

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Ordered as H5X67, this is a black Buna-N (Nitrile) 70 Shore A O-Ring built to an inside diameter of 67 mm (2.638 in), a cross section of 5 mm (0.197 in), and an outside diameter of 77 mm (3.03 in). The o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.

This material stands up to greases and lubricants, many alcohols, and hydraulic fluids. Buna-N (Nitrile) is valued for strong abrasion and tear resistance, reliable performance in both static and dynamic service. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service. It is not the right choice where automotive brake fluid or polar solvents are present.

Common environments for this compound include agricultural equipment, construction equipment, and hydraulic and pneumatic systems.

Reference part number H5X67 when ordering; the item is sold individually. Unit weight is approximately 5.399 g. Review your operating media and conditions against this specification before installation.
Item
H5X67
Description
5MM CS X 67MM ID BLACK BUNA 70D
Actual Outside Diameter
77 mm (3.03 inch)
Actual Cross Section
5 mm (0.197 inch)
Actual Inside Diameter
67 mm (2.638 inch)
FDA Compliant
No
Measurement System
Metric
Metal Detectable
No
NSF Certified
No
Product Code
6015
Product Category
O-Rings - Metric - Commodity