3MM CS X 105MM ID BLACK BUNA 70D

Buna-N O-Ring, 3 x 105 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:
H3X105
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Product Specification

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H3X105 is a black Buna-N (Nitrile) 70 Shore A O-Ring with an inside diameter of 105 mm (4.134 in), a cross section of 3 mm (0.118 in), and an outside diameter of 111 mm (4.37 in). In service, this o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.

Buna-N (Nitrile) is specified here for most widely specified general-purpose sealing elastomer, reliable performance in both static and dynamic service. Expect good resistance to many alcohols, propane and butane, and hydraulic fluids. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C).

You will find this material specified across agricultural equipment, hydraulic and pneumatic systems, and general industrial maintenance.

Stocked as H3X105 and sold individually. Unit weight is approximately 2.923 g. Review your operating media and conditions against this specification before installation. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.
Item
H3X105
Description
3MM CS X 105MM ID BLACK BUNA 70D
Actual Outside Diameter
111 mm (4.37 inch)
Actual Cross Section
3 mm (0.118 inch)
Actual Inside Diameter
105 mm (4.134 inch)
FDA Compliant
No
Measurement System
Metric
Metal Detectable
No
NSF Certified
No
Product Code
6015
Product Category
O-Rings - Metric - Commodity