1/2-20nfx2
An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. the threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. the thread length being the controlled dimension, the grip length is not specified. a locking feature may be incorporated in the design of the head or threads. the head is not designed to be held or driven with an inserted driver or by the thumb and fingers. excludes bolt,machine; bolt,externally relieved body; bolt,internal wrenching; and screw,cap,socket head.
Classification: Parts of armored fighting vehicles,motorized, whether or not fitted with weapons
NSN 6320-01-354-6204
NSN 5915-01-224-7044
NSN 5905-00-646-6017
NSN 5930-01-522-9791
NSN 6150-01-026-0913
NSN 6130-00-958-9796
NSN 6135-01-459-0089
NSN 5999-01-090-7471
NSN 6220-00-912-8959
NSN 5950-00-976-0712
NSN 6150-01-488-4966
NSN 6650-01-216-2707