Ordered as TFE037, this is an AS568-037 white PTFE (Teflon) 55 Shore D O-Ring supplied with an inside diameter of 2.489 in (63.22 mm), a cross section of 0.07 in (1.78 mm), and an outside diameter of 2.629 in (66.78 mm). The o-ring seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.
PTFE (Teflon) is specified here for non-stick, non-contaminating surface characteristics and near-universal chemical inertness. Expect good resistance to strong acids and bases, nearly all industrial chemicals, and solvents. Continuous operating temperature is published at -65°F (-53.9°C) to 500°F (260°C).
Maintenance and OEM teams specify it across food and beverage, pharmaceutical and biotech, and laboratory equipment.
TFE037 ships individually. Nominal inside diameter is listed as 2 1/2 inch. Application requirements vary, so validate compatibility with your process conditions prior to installation.
Description 568-037 PTFE ORINGS FDA
Actual Cross Section 0.07 inch (1.78 mm)
Actual Inside Diameter 2.489 inch (63.22 mm)
Actual Outside Diameter 2.629 inch (66.78 mm)
Measurement System Imperial
Product Category O-Rings - Bulk - Premium