3MM CS X 108MM ID BLACK BUNA 70D

Buna-N O-Ring, 3 x 108 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:
H3X108
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Product Specification

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APG stocks the H3X108, a black Buna-N (Nitrile) 70 Shore A O-Ring measuring an inside diameter of 108 mm (4.252 in), a cross section of 3 mm (0.118 in), and an outside diameter of 114 mm (4.49 in). An o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.

Buna-N (Nitrile) is specified for strong abrasion and tear resistance, the most widely specified general-purpose sealing elastomer. The material holds up against hydraulic fluids, greases and lubricants, and many alcohols. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C).

Typical settings include hydraulic and pneumatic systems, fluid power, and agricultural equipment.

Order part number H3X108, sold individually. Unit weight is approximately 3.0104 g. Application requirements vary, so validate compatibility with your process conditions prior to installation.
Item
H3X108
Description
3MM CS X 108MM ID BLACK BUNA 70D
Actual Outside Diameter
114 mm (4.49 inch)
Actual Cross Section
3 mm (0.118 inch)
Actual Inside Diameter
108 mm (4.252 inch)
FDA Compliant
No
Measurement System
Metric
Metal Detectable
No
NSF Certified
No
Product Code
6015
Product Category
O-Rings - Metric - Commodity