551442 ‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒ Our “Contact washers” family has been designed to ensure secure fastening over time for all assembly challenges. They prevent loosening of threaded assemblies due to vibration or temperature variations. This family includes a complete range of products: some of them can be used separately, others have been designed to be assembled on a nut or a screw, they can ensure electrical continuity, etc. ‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒ External diameter tolerance Choose an option+ / -0.42 Ø External [d2] (mm) Choose an option30.00 Height tolerance Choose an option+005050 Height (mm) Choose an option3.20 Ø Internal [d1] (mm) Choose an option14.40 Internal diameter tolerance Choose an option+004343 Material Choose an optionC60S to C67S Maximum hardness [HV] Choose an option510 Minimum hardness [HV] Choose an option420 Number of ridges (min) Choose an option60 Screw diameter Choose an optionM 14 Screw diameter (US) Choose an option9/16 Thickness [e] (mm) Choose an option2.40 Thickness tolerance Choose an option±000606 Heat treatment Choose an optionYesClear SKU: N/A Categories: Contact washers, Contact washers | Medium type, Innovative products, Our Products, Washers Additional information Part print Contact Form Additional information External diameter tolerance + / -0.42 Ø External [d2] (mm) 30.00 Height tolerance +0, 050, 50 Height (mm) 3.20 Ø Internal [d1] (mm) 14.40 Internal diameter tolerance +0, 043, 43 Material C60S to C67S Maximum hardness [HV] 510 Minimum hardness [HV] 420 Number of ridges (min) 60 Screw diameter M 14 Screw diameter (US) 9/16 Thickness [e] (mm) 2.40 Thickness tolerance ±0, 006, 06 Heat treatment Yes Part print Contact FormLast name *First name *Company *Email *PhoneMessage *0 / 180 Send the message Related products PRF02460 CB8991 D661 PRM03681