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456 PTFE SOLID BACKUP RING FDA

PTFE Back-Up Ring, 13.475 in ID x 0.275 CS, 55D, White, -65 to 500°F

Picture of 456 PTFE SOLID BACKUP RING FDA
Status
Available
Est. Ship Date
31 Oct 2026
Material
PTFE (Polytetrafluoroethylene)
Dash Size
456
Durometer
55 Shore D
Cross Section Type
Round
Color
White
Minimum Temperature
-65°F (-53.9°C)
Maximum Temperature
500°F (260°C)
Nominal Cross Section
1/4 inch
Nominal Inside Diameter
13 1/2 inch
Nominal Outside Diameter
14 inch
Unit of Measure
EA
SKU:
TST456SO
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Product Specification

-
The TST456SO is an AS568-456 white PTFE (Teflon) 55 Shore D Back-Up Ring supplied with an inside diameter of 13.475 in (342.27 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 14.025 in (356.24 mm). This back-up ring extends o-ring service life by supporting the seal against extrusion under high pressure.

PTFE (Teflon) is specified here for one of the lowest coefficients of friction of any solid and very wide continuous service temperature range. The material holds up against oxidizing media, steam, and solvents. The material carries a published service range of -65°F (-53.9°C) to 500°F (260°C).

It sees regular use in pharmaceutical and biotech, chemical processing, and laboratory equipment.

This item is sold individually under part number TST456SO. Review your operating media and conditions against this specification before installation.
Item
TST456SO
Description
456 PTFE SOLID BACKUP RING FDA
Actual Cross Section
0.275 inch (6.99 mm)
Actual Inside Diameter
13.475 inch (342.27 mm)
Actual Outside Diameter
14.025 inch (356.24 mm)
FDA Compliant
No
Measurement System
Imperial
Metal Detectable
No
NSF Certified
No
Product Code
6002
Product Category
O-Rings - Backup Rings