-337 RED SILICONE 70D O-RING

Silicone O-Ring, 2.975 in ID x 0.21 CS, 70A, Red, Metal Det., -80 to 450°F

Status
Available
Est. Ship Date
31 Oct 2026
Material
Silicone
Dash Size
337
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
3/16 inch
Nominal Inside Diameter
3 inch
Nominal Outside Diameter
3 3/8 inch
Unit of Measure
EA
SKU:
S70MD337
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Product Specification

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This o-ring is supplied in AS568-337 red Silicone 70 Shore A built to an inside diameter of 2.975 in (75.57 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 3.395 in (86.23 mm), catalogued under part number S70MD337. It remains the most cost-effective sealing element available for pressurized assemblies.

Silicone offers physiological inertness and low toxicity, flexibility that holds at very low temperatures. The material holds up against ozone and UV exposure, weathering, and many oxidizing chemicals. The material carries a published service range of -80°F (-62.2°C) to 450°F (232.2°C). It should not be specified for service in abrasive dynamic service or steam above its rated range.

The compound is metal detectable for HACCP and foreign-body control programs. You will find this material specified across pharmaceutical manufacturing, ovens and heated equipment, and food and beverage processing.

Reference part number S70MD337 when ordering; the item is sold individually. Nominal inside diameter is listed as 3 inch. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing.
Item
S70MD337
Description
-337 RED SILICONE 70D O-RING
Actual Cross Section
0.21 inch (5.33 mm)
Actual Inside Diameter
2.975 inch (75.57 mm)
Actual Outside Diameter
3.395 inch (86.23 mm)
FDA Compliant
No
Measurement System
Imperial
Metal Detectable
Yes
NSF Certified
No
Product Code
6012
Product Category
O-Rings - FDA / Metal Detectable