Nylon Insert, Locking Thread Nuts – Type CFN
nylon-insert-locking-thread-nuts-type-cfn
Nylon Insert Self-Locking Fasteners - Types CFN - Unified
(2) Type CFN broaching fasteners are available for thinner sheet, close-to-edge applications. The locking element provides prevailing torque to eliminate loosening of mating threaded hardware. /Asset/CFN.jpg 