5.7MM CS X 359.3MM ID BLACK BUNA 70D

Buna-N O-Ring, 5.7 x 359.3 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:
H5.7X359.3
Please login to see price and add to cart

Product Specification

-
H5.7X359.3 is a black Buna-N (Nitrile) 70 Shore A O-Ring built to an inside diameter of 359.3 mm (14.146 in), a cross section of 5.7 mm (0.224 in), and an outside diameter of 370.7 mm (14.59 in). In service, this o-ring seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces. Additional detail on this item: Metric O-RING, JIS G360.

The compound resists propane and butane, petroleum-based oils, and many alcohols. Buna-N (Nitrile) is specified for the most widely specified general-purpose sealing elastomer and an economical choice for high-volume maintenance programs. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service.

Common environments for this compound include hydraulic and pneumatic systems, automotive, and general industrial maintenance.

Stocked as H5.7X359.3 and sold individually. Unit weight is approximately 36.093 g. Check the compound against your process media, pressure and temperature before committing to a design.
Item
H5.7X359.3
Description
5.7MM CS X 359.3MM ID BLACK BUNA 70D
Actual Outside Diameter
370.7 mm (14.59 inch)
Actual Cross Section
5.7 mm (0.224 inch)
Actual Inside Diameter
359.3 mm (14.146 inch)
FDA Compliant
No
Measurement System
Metric
Metal Detectable
No
NSF Certified
No
Product Code
6015
Product Category
O-Rings - Metric - Commodity