568-387 PTFE ORINGS FDA

PTFE O-Ring, 17.955 in ID x 0.21 CS, 55D, White, -65 to 500°F

Status
Out of Stock
Est. Ship Date
29 Oct 2026
Material
PTFE (Polytetrafluoroethylene)
Dash Size
387
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
3/16 inch
Nominal Inside Diameter
18 inch
Nominal Outside Diameter
18 3/8 inch
Unit of Measure
EA
SKU:
TFE387

Product Specification

-
Ordered as TFE387, this is an AS568-387 white PTFE (Teflon) 55 Shore D O-Ring built to 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). The o-ring delivers dependable bidirectional sealing in a compact groove envelope.

PTFE (Teflon) is valued for excellent dielectric properties and non-stick, non-contaminating surface characteristics. It resists steam, nearly all industrial chemicals, and oxidizing media. Service temperature is rated from -65°F (-53.9°C) through 500°F (260°C). It should not be specified for service in elemental fluorine at temperature or service requiring elastic recovery.

You will find this material specified across food and beverage, semiconductor fabrication, and pharmaceutical and biotech.

Stocked as TFE387 and sold individually. Nominal inside diameter is listed as 18 inch. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing.
Item
TFE387
Description
568-387 PTFE ORINGS FDA
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
No
NSF Certified
No
Product Code
6006
Product Category
O-Rings - Bulk - Premium