5.3MM CS X 122MM ID BLACK BUNA 70D

Buna-N O-Ring, 5.3 x 122 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:
H5.3X122
Please login to see price and add to cart

Product Specification

-
H5.3X122 is a black Buna-N (Nitrile) 70 Shore A O-Ring with an inside diameter of 122 mm (4.803 in), a cross section of 5.3 mm (0.209 in), and an outside diameter of 132.6 mm (5.22 in). In service, this o-ring remains the most cost-effective sealing element available for pressurized assemblies.

Buna-N (Nitrile) is specified for the most widely specified general-purpose sealing elastomer, strong abrasion and tear resistance. This material stands up to many alcohols, petroleum-based oils, and propane and butane. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C).

Maintenance and OEM teams specify it across fluid power, hydraulic and pneumatic systems, and agricultural equipment.

Stocked as H5.3X122 and sold individually. Unit weight is approximately 10.896 g. Application requirements vary, so validate compatibility with your process conditions prior to installation. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.
Item
H5.3X122
Description
5.3MM CS X 122MM ID BLACK BUNA 70D
Actual Outside Diameter
132.6 mm (5.22 inch)
Actual Cross Section
5.3 mm (0.209 inch)
Actual Inside Diameter
122 mm (4.803 inch)
FDA Compliant
No
Measurement System
Metric
Metal Detectable
No
NSF Certified
No
Product Code
6015
Product Category
O-Rings - Metric - Commodity