-423 BLACK BUNA 70D O-RING

Buna-N O-Ring, 4.225 in ID x 0.275 CS, 70A, Black, -40 to 250°F

Status
Out of Stock
Est. Ship Date
3 Feb 2027
Material
Buna-N (Nitrile / NBR)
Dash Size
423
Durometer
70 Shore A
Cross Section Type
Round
Color
Black
Minimum Temperature
-40°F (-40°C)
Maximum Temperature
250°F (121°C)
Nominal Cross Section
1/4 inch
Nominal Inside Diameter
4 1/4 inch
Nominal Outside Diameter
4 3/4 inch
Unit of Measure
EA
SKU:
H70423
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Product Specification

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Part number H70423 is an AS568-423 black Buna-N (Nitrile) 70 Shore A O-Ring built to an inside diameter of 4.225 in (107.32 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 4.775 in (121.29 mm). An o-ring delivers dependable bidirectional sealing in a compact groove envelope.

This material stands up to many alcohols, water, and propane and butane. Buna-N (Nitrile) offers strong abrasion and tear resistance, reliable performance in both static and dynamic service. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C).

Common environments for this compound include fluid power, hydraulic and pneumatic systems, and construction equipment.

Stocked as H70423 and sold individually. Unit weight is approximately 16.61 g and nominal inside diameter is listed as 4 1/4 inch. Check the compound against your process media, pressure and temperature before committing to a design. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.
Item
H70423
Description
-423 BLACK BUNA 70D O-RING
Actual Cross Section
0.275 inch (6.99 mm)
Actual Inside Diameter
4.225 inch (107.32 mm)
Actual Outside Diameter
4.775 inch (121.29 mm)
FDA Compliant
No
Measurement System
Imperial
Metal Detectable
No
NSF Certified
No
Product Code
6005
Product Category
O-Rings - Bulk - Commodity