-333 BLACK BUNA 50D O-RING

Buna-N O-Ring, 2.475 in ID x 0.21 CS, 50A, Black, -40 to 250°F

Status
Available
Est. Ship Date
3 Nov 2026
Material
Buna-N (Nitrile / NBR)
Dash Size
333
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
3/16 inch
Nominal Inside Diameter
2 1/2 inch
Nominal Outside Diameter
2 7/8 inch
Unit of Measure
EA
SKU:
H50333
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Product Specification

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This o-ring is supplied in AS568-333 black Buna-N (Nitrile) 50 Shore A built to an inside diameter of 2.475 in (62.87 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 2.895 in (73.53 mm), catalogued under part number H50333. It provides a reliable static or dynamic seal by deforming into its gland under assembly load.

Buna-N (Nitrile) is valued for an economical choice for high-volume maintenance programs and low compression set under sustained load. Expect good resistance to propane and butane, water, and greases and lubricants. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service. Verify compatibility before use with ozone and direct sunlight or automotive brake fluid.

It sees regular use in construction equipment, hydraulic and pneumatic systems, and automotive.

Order part number H50333, sold individually. Unit weight is approximately 0.0062 g. 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
H50333
Description
-333 BLACK BUNA 50D O-RING
Actual Cross Section
0.21 inch (5.33 mm)
Actual Inside Diameter
2.475 inch (62.87 mm)
Actual Outside Diameter
2.895 inch (73.53 mm)
FDA Compliant
No
Measurement System
Imperial
Metal Detectable
No
NSF Certified
No
Product Code
6005
Product Category
O-Rings - Bulk - Commodity