Nha is control valve, p/n 499-4868; thread size is metric 8
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.
NSN 6620-00-684-6771
NSN 7035-00-803-3056
NSN 5965-01-407-9561
NSN 5985-00-899-6917
NSN 6150-01-351-1152
NSN 5965-01-592-3051
NSN 5996-00-722-0838
NSN 6150-00-530-3046
NSN 5998-00-683-1333
NSN 5915-01-335-0187
NSN 5965-00-267-4173
NSN 6685-01-277-5954