5.7MM CS X 35.2MM ID BLACK BUNA 70D

Buna-N O-Ring, 5.7 x 35.2 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:
H5.7X35.2
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Product Specification

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Part number H5.7X35.2 is a black Buna-N (Nitrile) 70 Shore A O-Ring with an inside diameter of 35.2 mm (1.386 in), a cross section of 5.7 mm (0.224 in), and an outside diameter of 46.6 mm (1.83 in). An o-ring compresses into its gland to block fluid or gas migration across a joint.

The compound resists water, many alcohols, and petroleum-based oils. Buna-N (Nitrile) is valued for the most widely specified general-purpose sealing elastomer and low compression set under sustained load. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C).

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

Stocked as H5.7X35.2 and sold individually. 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
H5.7X35.2
Description
5.7MM CS X 35.2MM ID BLACK BUNA 70D
Actual Outside Diameter
46.6 mm (1.83 inch)
Actual Cross Section
5.7 mm (0.224 inch)
Actual Inside Diameter
35.2 mm (1.386 inch)
FDA Compliant
No
Measurement System
Metric
Metal Detectable
No
NSF Certified
No
Product Code
6015
Product Category
O-Rings - Metric - Commodity