3.55MM CS X 41.2MM ID BLACK BUNA 70D

Buna-N O-Ring, 3.55 x 41.2 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:
H3.55X41.2
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Product Specification

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APG stocks the H3.55X41.2, a black Buna-N (Nitrile) 70 Shore A O-Ring with an inside diameter of 41.2 mm (1.622 in), a cross section of 3.55 mm (0.14 in), and an outside diameter of 48.3 mm (1.9 in). An o-ring seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.

This material stands up to greases and lubricants, petroleum-based oils, and many alcohols. Buna-N (Nitrile) is valued for reliable performance in both static and dynamic service, strong abrasion and tear resistance. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C).

Typical settings include hydraulic and pneumatic systems, general industrial maintenance, and fluid power.

This item is sold individually under part number H3.55X41.2. Unit weight is approximately 1.709 g. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing.
Item
H3.55X41.2
Description
3.55MM CS X 41.2MM ID BLACK BUNA 70D
Actual Outside Diameter
48.3 mm (1.9 inch)
Actual Cross Section
3.55 mm (0.14 inch)
Actual Inside Diameter
41.2 mm (1.622 inch)
FDA Compliant
No
Measurement System
Metric
Metal Detectable
No
NSF Certified
No
Product Code
6015
Product Category
O-Rings - Metric - Commodity