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-255 RED SILICONE 70D O-RING

Silicone O-Ring, 5.609 in ID x 0.139 CS, 70A, Red, Metal Det., -80 to 450°F

Status
Out of Stock
Est. Ship Date
21 Oct 2026
Material
Silicone
Dash Size
255
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
1/8 inch
Nominal Inside Diameter
5 5/8 inch
Nominal Outside Diameter
5 7/8 inch
Unit of Measure
EA
SKU:
S70MD255

Product Specification

-
APG stocks the S70MD255, an AS568-255 red Silicone 70 Shore A O-Ring with an inside diameter of 5.609 in (142.47 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 5.887 in (149.53 mm). An o-ring seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.

Silicone is specified here for very good compression set resistance across its range and excellent electrical insulating properties. This material stands up to extreme heat and cold, weathering, and dry heat. Rated temperature range runs from -80°F (-62.2°C) to 450°F (232.2°C) in continuous service.

This item is metal detectable for HACCP and foreign-body control programs. Typical settings include sanitary process lines, medical devices, and pharmaceutical manufacturing.

Reference part number S70MD255 when ordering; the item is sold individually. Nominal inside diameter is listed as 5 5/8 inch. Application requirements vary, so validate compatibility with your process conditions prior to installation.
Item
S70MD255
Description
-255 RED SILICONE 70D O-RING
Actual Cross Section
0.139 inch (3.53 mm)
Actual Inside Diameter
5.609 inch (142.47 mm)
Actual Outside Diameter
5.887 inch (149.53 mm)
FDA Compliant
No
Measurement System
Imperial
Metal Detectable
Yes
NSF Certified
No
Product Code
6012
Product Category
O-Rings - FDA / Metal Detectable