5MM CS X 300MM ID BLACK BUNA 70D

Buna-N O-Ring, 5 x 300 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:
H5X300
Please login to see price and add to cart

Product Specification

-
This o-ring is supplied in black Buna-N (Nitrile) 70 Shore A measuring an inside diameter of 300 mm (11.811 in), a cross section of 5 mm (0.197 in), and an outside diameter of 310 mm (12.2 in), catalogued under part number H5X300. It provides a reliable static or dynamic seal by deforming into its gland under assembly load.

The material holds up against greases and lubricants, petroleum-based oils, and water. 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. Verify compatibility before use with strong acids or ketones.

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

This item is sold individually under part number H5X300. Unit weight is approximately 23.03 g. Application requirements vary, so validate compatibility with your process conditions prior to installation.
Item
H5X300
Description
5MM CS X 300MM ID BLACK BUNA 70D
Actual Outside Diameter
310 mm (12.2 inch)
Actual Cross Section
5 mm (0.197 inch)
Actual Inside Diameter
300 mm (11.811 inch)
FDA Compliant
No
Measurement System
Metric
Metal Detectable
No
NSF Certified
No
Product Code
6015
Product Category
O-Rings - Metric - Commodity