5.7MM CS X 114.6MM ID BLACK BUNA 70D

Buna-N O-Ring, 5.7 x 114.6 mm, 70A, Black, -40 to 250°F

Status
Available
Est. Ship Date
2 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:
H5.7X114.6
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Product Specification

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APG stocks the H5.7X114.6, a black Buna-N (Nitrile) 70 Shore A O-Ring measuring an inside diameter of 114.6 mm (4.512 in), a cross section of 5.7 mm (0.224 in), and an outside diameter of 126 mm (4.96 in). An o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load. Additional detail on this item: Metric O-RING, JIS P115.

Buna-N (Nitrile) is specified here for economical choice for high-volume maintenance programs and most widely specified general-purpose sealing elastomer. The material holds up against petroleum-based oils, hydraulic fluids, and propane and butane. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C). It should not be specified for service in automotive brake fluid or ozone and direct sunlight.

It sees regular use in agricultural equipment, general industrial maintenance, and hydraulic and pneumatic systems.

This item is sold individually under part number H5.7X114.6. Unit weight is approximately 11.873 g. Review your operating media and conditions against this specification before installation.
Item
H5.7X114.6
Description
5.7MM CS X 114.6MM ID BLACK BUNA 70D
Actual Outside Diameter
126 mm (4.96 inch)
Actual Cross Section
5.7 mm (0.224 inch)
Actual Inside Diameter
114.6 mm (4.512 inch)
FDA Compliant
No
Measurement System
Metric
Metal Detectable
No
NSF Certified
No
Product Code
6015
Product Category
O-Rings - Metric - Commodity