5.7MM CS X 104.6MM ID BLACK BUNA 70D

Buna-N O-Ring, 5.7 x 104.6 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:
H5.7X104.6
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Product Specification

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Part number H5.7X104.6 is a black Buna-N (Nitrile) 70 Shore A O-Ring supplied with an inside diameter of 104.6 mm (4.118 in), a cross section of 5.7 mm (0.224 in), and an outside diameter of 116 mm (4.57 in). An o-ring remains the most cost-effective sealing element available for pressurized assemblies. This item is further identified as Metric O-RING, JIS P105.

Buna-N (Nitrile) is specified here for low compression set under sustained load, strong abrasion and tear resistance. The material holds up against greases and lubricants, petroleum-based oils, and many alcohols. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C). Verify compatibility before use with strong acids or automotive brake fluid.

Typical settings include automotive, construction equipment, and general industrial maintenance.

Stocked as H5.7X104.6 and sold individually. Unit weight is approximately 10.887 g. Review your operating media and conditions against this specification before installation.
Item
H5.7X104.6
Description
5.7MM CS X 104.6MM ID BLACK BUNA 70D
Actual Outside Diameter
116 mm (4.57 inch)
Actual Cross Section
5.7 mm (0.224 inch)
Actual Inside Diameter
104.6 mm (4.118 inch)
FDA Compliant
No
Measurement System
Metric
Metal Detectable
No
NSF Certified
No
Product Code
6015
Product Category
O-Rings - Metric - Commodity