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-387 RED SILICONE 70D O-RING

Silicone O-Ring, 17.955 in ID x 0.21 CS, 70A, Red, Metal Det., -80 to 450°F

Status
Out of Stock
Est. Ship Date
20 Oct 2026
Material
Silicone
Dash Size
387
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
18 inch
Nominal Outside Diameter
18 3/8 inch
Unit of Measure
EA
SKU:
S70MD387

Product Specification

-
APG stocks the S70MD387, an AS568-387 red Silicone 70 Shore A O-Ring supplied with an inside diameter of 17.955 in (456.06 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 18.375 in (466.73 mm). An o-ring remains the most cost-effective sealing element available for pressurized assemblies.

Silicone is specified here for excellent electrical insulating properties and exceptionally wide service temperature range. The compound resists extreme heat and cold, weathering, and ozone and UV exposure. Continuous operating temperature is published at -80°F (-62.2°C) to 450°F (232.2°C).

The compound is metal detectable for HACCP and foreign-body control programs. You will find this material specified across electronics and electrical enclosures, medical devices, and pharmaceutical manufacturing.

Stocked as S70MD387 and sold individually. Nominal inside diameter is listed as 18 inch. Check the compound against your process media, pressure and temperature before committing to a design. APG can cross-reference from an existing part number, a drawing or a physical sample if this size is not an exact match.
Item
S70MD387
Description
-387 RED SILICONE 70D O-RING
Actual Cross Section
0.21 inch (5.33 mm)
Actual Inside Diameter
17.955 inch (456.06 mm)
Actual Outside Diameter
18.375 inch (466.73 mm)
FDA Compliant
No
Measurement System
Imperial
Metal Detectable
Yes
NSF Certified
No
Product Code
6012
Product Category
O-Rings - FDA / Metal Detectable