3MM CS X 10.5MM ID BLACK BUNA 70D

Buna-N O-Ring, 3 x 10.5 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:
H3X10.5
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Product Specification

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Part number H3X10.5 is a black Buna-N (Nitrile) 70 Shore A O-Ring measuring an inside diameter of 10.5 mm (0.413 in), a cross section of 3 mm (0.118 in), and an outside diameter of 16.5 mm (0.65 in). An o-ring remains the most cost-effective sealing element available for pressurized assemblies.

Buna-N (Nitrile) is specified here for strong abrasion and tear resistance, reliable performance in both static and dynamic service. The compound resists water, propane and butane, and many alcohols. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service. Exposure to polar solvents or automotive brake fluid will shorten service life.

It sees regular use in fluid power, automotive, and hydraulic and pneumatic systems.

Reference part number H3X10.5 when ordering; the item is sold individually. Unit weight is approximately 0.3809 g. Application requirements vary, so validate compatibility with your process conditions prior to installation.
Item
H3X10.5
Description
3MM CS X 10.5MM ID BLACK BUNA 70D
Actual Outside Diameter
16.5 mm (0.65 inch)
Actual Cross Section
3 mm (0.118 inch)
Actual Inside Diameter
10.5 mm (0.413 inch)
FDA Compliant
No
Measurement System
Metric
Metal Detectable
No
NSF Certified
No
Product Code
6015
Product Category
O-Rings - Metric - Commodity