Two grooves 0.031 in. Min, 0.062 in. Max radius
A nut having a sleeve portion on its under side, which can be crimped or clinched to hold the item in place when inserted in a hole.
Classification: Nuts of iron or steel
NSN 2925-00-238-1668
NSN 4140-00-066-0538
NSN 6650-01-406-5322
NSN 5999-00-488-3452
NSN 5985-00-940-9872
NSN 5985-01-500-1776
NSN 5945-01-472-2099
NSN 5990-01-089-6743
NSN 6685-01-332-9680
NSN 5985-00-244-7535
NSN 5855-00-471-5989
NSN 6145-01-527-0081