Parker’s VM128-75 is a 75-Durometer black GLT Fluorocarbon (Viton®, FKM) O-ring material. GLT FKM materials have excellent low-temperature compression set resistance, down to -40°F. VM128-75 meets AMS-7287 (M83485/1), a specification for low-temperature Aerospace applications. VM128-75 has a broad spectrum of excellent resistance to a variety of chemicals and performs well at high temperatures. VM128-75 also exhibits outstanding HTS turbine oil compatibility, jet fuel compatibility, and hydraulic oil resistance.

O-Ring Size (AS-568): 001
Inner Diameter (In.): 0.029
Cross Section (In.): 0.040
Specification: AMS-R-83485
O-Ring Size Series: 000 Series