A long spar, beam or a-frame structure, to support a hoist.
Classification: Pulley tackle and hoists, other than skip hoists or hoists of a kind used for raising vehicles, not powered by electric motor
NSN 5855-01-573-8397
NSN 6105-01-556-7994
NSN 6110-01-161-3696
NSN 5935-01-467-2390
NSN 5965-00-929-9415
NSN 5996-01-540-9909
NSN 5930-01-537-6421
NSN 6320-01-159-2211
NSN 6620-00-905-6590
NSN 5915-01-273-6741
NSN 5930-01-474-7896
NSN 5910-01-116-1784