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 6650-01-543-7048
NSN 6150-01-202-8214
NSN 5999-01-333-2546
NSN 5920-01-130-5123
NSN 6685-01-046-1332
NSN 6110-01-273-2560
NSN 5920-01-270-2171
NSN 4140-01-495-0793
NSN 2925-01-231-6312
NSN 6685-01-107-0433
NSN 6620-01-241-9592
NSN 5990-00-840-6571