5.3MM CS X 165MM ID BLACK BUNA 70D

Buna-N O-Ring, 5.3 x 165 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:
H5.3X165
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Product Specification

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The H5.3X165 is a black Buna-N (Nitrile) 70 Shore A O-Ring with an inside diameter of 165 mm (6.496 in), a cross section of 5.3 mm (0.209 in), and an outside diameter of 175.6 mm (6.91 in). This o-ring delivers dependable bidirectional sealing in a compact groove envelope.

Buna-N (Nitrile) is specified here for economical choice for high-volume maintenance programs, strong abrasion and tear resistance. This material stands up to propane and butane, greases and lubricants, and water. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service. It is not the right choice where ketones or polar solvents are present.

You will find this material specified across construction equipment, automotive, and fluid power.

Order part number H5.3X165, sold individually. Unit weight is approximately 14.758 g. Review your operating media and conditions against this specification before installation. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.
Item
H5.3X165
Description
5.3MM CS X 165MM ID BLACK BUNA 70D
Actual Outside Diameter
175.6 mm (6.91 inch)
Actual Cross Section
5.3 mm (0.209 inch)
Actual Inside Diameter
165 mm (6.496 inch)
FDA Compliant
No
Measurement System
Metric
Metal Detectable
No
NSF Certified
No
Product Code
6015
Product Category
O-Rings - Metric - Commodity