3.5MM CS X 68MM ID BLACK BUNA 70D

Buna-N O-Ring, 3.5 x 68 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:
H3.5X68
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Product Specification

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APG stocks the H3.5X68, a black Buna-N (Nitrile) 70 Shore A O-Ring built to an inside diameter of 68 mm (2.677 in), a cross section of 3.5 mm (0.138 in), and an outside diameter of 75 mm (2.95 in). An o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.

Buna-N (Nitrile) is specified here for economical choice for high-volume maintenance programs and low compression set under sustained load. This material stands up to greases and lubricants, water, and propane and butane. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C).

Typical settings include construction equipment, hydraulic and pneumatic systems, and automotive.

This item is sold individually under part number H3.5X68. Unit weight is approximately 2.6368 g. Review your operating media and conditions against this specification before installation.
Item
H3.5X68
Description
3.5MM CS X 68MM ID BLACK BUNA 70D
Actual Outside Diameter
75 mm (2.95 inch)
Actual Cross Section
3.5 mm (0.138 inch)
Actual Inside Diameter
68 mm (2.677 inch)
FDA Compliant
No
Measurement System
Metric
Metal Detectable
No
NSF Certified
No
Product Code
6015
Product Category
O-Rings - Metric - Commodity