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-163 BLACK BUNA 50D O-RING

Buna-N O-Ring, 5.987 in ID x 0.103 CS, 50A, Black, -40 to 250°F

Status
Out of Stock
Est. Ship Date
20 Oct 2026
Material
Buna-N (Nitrile / NBR)
Dash Size
163
Durometer
50 Shore A
Cross Section Type
Round
Color
Black
Minimum Temperature
-40°F (-40°C)
Maximum Temperature
250°F (121°C)
Nominal Cross Section
3/32 inch
Nominal Inside Diameter
6 inch
Nominal Outside Diameter
6 3/16 inch
Unit of Measure
EA
SKU:
H50163

Product Specification

-
H50163 is an AS568-163 black Buna-N (Nitrile) 50 Shore A O-Ring supplied with an inside diameter of 5.987 in (152.07 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 6.193 in (157.3 mm). In service, this o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.

Buna-N (Nitrile) is specified here for low compression set under sustained load and most widely specified general-purpose sealing elastomer. It resists greases and lubricants, petroleum-based oils, and water. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C). Applications involving ketones or strong acids call for a different compound.

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

Reference part number H50163 when ordering; the item is sold individually. As always, verify media compatibility and operating conditions against the requirements of your specific application. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.
Item
H50163
Description
-163 BLACK BUNA 50D O-RING
Actual Cross Section
0.103 inch (2.62 mm)
Actual Inside Diameter
5.987 inch (152.07 mm)
Actual Outside Diameter
6.193 inch (157.3 mm)
FDA Compliant
No
Measurement System
Imperial
Metal Detectable
No
NSF Certified
No
Product Code
6005
Product Category
O-Rings - Bulk - Commodity