-105 BLACK BUNA 70D O-RING

Buna-N O-Ring, 0.143 in ID x 0.103 CS, 70A, Black, -40 to 250°F

Status
Available
Est. Ship Date
31 Oct 2026
Material
Buna-N (Nitrile / NBR)
Dash Size
105
Durometer
70 Shore A
Cross Section Type
Round
Color
Black
Minimum Temperature
-40°F (-40°C)
Maximum Temperature
250°F (121°C)
Nominal Cross Section
3/32 inch
Nominal Inside Diameter
5/32 inch
Nominal Outside Diameter
11/32 inch
Unit of Measure
EA
SKU:
H70105
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Product Specification

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This o-ring is supplied in AS568-105 black Buna-N (Nitrile) 70 Shore A measuring an inside diameter of 0.143 in (3.63 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 0.349 in (8.86 mm), catalogued under part number H70105. It seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.

Expect good resistance to greases and lubricants, water, and hydraulic fluids. That behavior comes from the compound itself: Buna-N (Nitrile) is valued for reliable performance in both static and dynamic service, strong abrasion and tear resistance. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C). Verify compatibility before use with automotive brake fluid or ozone and direct sunlight.

Typical settings include hydraulic and pneumatic systems, general industrial maintenance, and agricultural equipment.

H70105 ships individually. Unit weight is approximately 0.1316 g. Application requirements vary, so validate compatibility with your process conditions prior to installation.
Item
H70105
Description
-105 BLACK BUNA 70D O-RING
Actual Cross Section
0.103 inch (2.62 mm)
Actual Inside Diameter
0.143 inch (3.63 mm)
Actual Outside Diameter
0.349 inch (8.86 mm)
FDA Compliant
No
Measurement System
Imperial
Metal Detectable
No
NSF Certified
No
Product Code
6005
Product Category
O-Rings - Bulk - Commodity