3.55MM CS X 175MM ID BLACK BUNA 70D

Buna-N O-Ring, 3.55 x 175 mm, 70A, Black, -40 to 250°F

Status
Available
Est. Ship Date
1 Nov 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:
H3.55X175
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Product Specification

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Ordered as H3.55X175, this is a black Buna-N (Nitrile) 70 Shore A O-Ring measuring an inside diameter of 175 mm (6.89 in), a cross section of 3.55 mm (0.14 in), and an outside diameter of 182.1 mm (7.17 in). The o-ring delivers dependable bidirectional sealing in a compact groove envelope.

Buna-N (Nitrile) is valued for strong abrasion and tear resistance, low compression set under sustained load. The compound resists many alcohols, petroleum-based oils, and water. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C). Verify compatibility before use with polar solvents or strong acids.

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

H3.55X175 ships individually. Unit weight is approximately 6.884 g. As always, verify media compatibility and operating conditions against the requirements of your specific application.
Item
H3.55X175
Description
3.55MM CS X 175MM ID BLACK BUNA 70D
Actual Outside Diameter
182.1 mm (7.17 inch)
Actual Cross Section
3.55 mm (0.14 inch)
Actual Inside Diameter
175 mm (6.89 inch)
FDA Compliant
No
Measurement System
Metric
Metal Detectable
No
NSF Certified
No
Product Code
6015
Product Category
O-Rings - Metric - Commodity