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-047 BLACK BUNA 50D O-RING

Buna-N O-Ring, 4.489 in ID x 0.07 CS, 50A, Black, -40 to 250°F

Status
Out of Stock
Est. Ship Date
20 Oct 2026
Material
Buna-N (Nitrile / NBR)
Dash Size
47
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
1/16 inch
Nominal Inside Diameter
4 1/2 inch
Nominal Outside Diameter
4 5/8 inch
Unit of Measure
EA
SKU:
H50047

Product Specification

-
This o-ring is supplied in AS568-047 black Buna-N (Nitrile) 50 Shore A with an inside diameter of 4.489 in (114.02 mm), a cross section of 0.07 in (1.78 mm), and an outside diameter of 4.629 in (117.58 mm), catalogued under part number H50047. It provides a reliable static or dynamic seal by deforming into its gland under assembly load.

Buna-N (Nitrile) is widely chosen for strong abrasion and tear resistance, an economical choice for high-volume maintenance programs. The compound resists greases and lubricants, hydraulic fluids, and propane and butane. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C). Verify compatibility before use with polar solvents or strong acids.

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

This item is sold individually under part number H50047. Application requirements vary, so validate compatibility with your process conditions prior to installation.
Item
H50047
Description
-047 BLACK BUNA 50D O-RING
Actual Cross Section
0.07 inch (1.78 mm)
Actual Inside Diameter
4.489 inch (114.02 mm)
Actual Outside Diameter
4.629 inch (117.58 mm)
FDA Compliant
No
Measurement System
Imperial
Metal Detectable
No
NSF Certified
No
Product Code
6005
Product Category
O-Rings - Bulk - Commodity