-428 RED SILICONE 70D O-RING

Silicone O-Ring, 4.85 in ID x 0.275 CS, 70A, Red, -80 to 450°F

Status
Available
Est. Ship Date
31 Oct 2026
Material
Silicone
Dash Size
428
Durometer
70 Shore A
Cross Section Type
Round
Color
Red
Minimum Temperature
-80°F (-62.2°C)
Maximum Temperature
450°F (232°C)
Nominal Cross Section
1/4 inch
Nominal Inside Diameter
4 7/8 inch
Nominal Outside Diameter
5 3/8 inch
Unit of Measure
EA
SKU:
S70428
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Product Specification

-
Part number S70428 is an AS568-428 red Silicone 70 Shore A O-Ring measuring an inside diameter of 4.85 in (123.19 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 5.4 in (137.16 mm). An o-ring remains the most cost-effective sealing element available for pressurized assemblies.

Silicone offers very good compression set resistance across its range and excellent electrical insulating properties. The material holds up against many oxidizing chemicals, weathering, and dry heat. Service temperature is rated from -80°F (-62.2°C) through 450°F (232.2°C).

You will find this material specified across food and beverage processing, pharmaceutical manufacturing, and ovens and heated equipment.

Order part number S70428, sold individually. Unit weight is approximately 21.14 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
S70428
Description
-428 RED SILICONE 70D O-RING
Actual Cross Section
0.275 inch (6.99 mm)
Actual Inside Diameter
4.85 inch (123.19 mm)
Actual Outside Diameter
5.4 inch (137.16 mm)
FDA Compliant
No
Measurement System
Imperial
Metal Detectable
No
NSF Certified
No
Product Code
6005
Product Category
O-Rings - Bulk - Commodity