This is a wire-rope type of cable which is attached to the crane's boom tip and spools off the reeling drum that measures the boom extension through the turning of the timing belt to the extension pot
NSN 6150-00-341-3860
NSN 6135-01-136-8306
NSN 5945-01-461-7023
NSN 5950-00-166-1080
NSN 6145-01-029-4184
NSN 7035-01-223-0104
NSN 5895-01-056-4548
NSN 5996-01-035-0625
NSN 5990-01-421-3325
NSN 5905-00-276-8597
NSN 6135-01-445-6589
NSN 5960-01-415-3574