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 7035-00-511-8617
NSN 5960-00-707-3335
NSN 5965-01-573-5863
NSN 6110-01-514-2879
NSN 5999-00-935-8684
NSN 6135-00-983-9187
NSN 5905-01-394-4742
NSN 5999-01-369-3145
NSN 6110-00-557-8631
NSN 6110-00-635-1013
NSN 5960-01-225-1610
NSN 5985-01-545-6899