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-125 BLACK BUNA 50D O-RING

Buna-N O-Ring, 1.299 in ID x 0.103 CS, 50A, Black, -40 to 250°F

Status
Out of Stock
Est. Ship Date
22 Oct 2026
Material
Buna-N (Nitrile / NBR)
Dash Size
125
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
1 5/16 inch
Nominal Outside Diameter
1 1/2 inch
Unit of Measure
EA
SKU:
H50125

Product Specification

-
APG stocks the H50125, an AS568-125 black Buna-N (Nitrile) 50 Shore A O-Ring supplied with an inside diameter of 1.299 in (32.99 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 1.505 in (38.23 mm). An o-ring remains the most cost-effective sealing element available for pressurized assemblies.

As a material, Buna-N (Nitrile) delivers reliable performance in both static and dynamic service, strong abrasion and tear resistance. The material holds up against hydraulic fluids, water, and propane and butane. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service. Applications involving ketones or strong acids call for a different compound.

It sees regular use in fluid power, general industrial maintenance, and automotive.

H50125 ships individually. Nominal inside diameter is listed as 1 5/16 inch. As always, verify media compatibility and operating conditions against the requirements of your specific application.
Item
H50125
Description
-125 BLACK BUNA 50D O-RING
Actual Cross Section
0.103 inch (2.62 mm)
Actual Inside Diameter
1.299 inch (32.99 mm)
Actual Outside Diameter
1.505 inch (38.23 mm)
FDA Compliant
No
Measurement System
Imperial
Metal Detectable
No
NSF Certified
No
Product Code
6005
Product Category
O-Rings - Bulk - Commodity