1 UNF NYLOC NUT ZP 12TPI

The Nyloc nut is an economic locking nut and ideal in applications where vibration or motion could loosen or undo the nut. It uses a nylon insert located towards the top of the nut, reducing its inner diameter, which then deforms over the mating thread.
Thread = 12 TPI

GST Incl
Excl
1 UNF NYLOC NUT ZP 12TPI
NNYLF100Z12
Each
$4.1126