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 5920-01-107-6614
NSN 6110-01-633-9660
NSN 5910-01-303-4948
NSN 6150-01-156-8155
NSN 6110-01-348-6621
NSN 5920-01-018-0146
NSN 6645-01-621-8564
NSN 5835-01-442-6482
NSN 5950-01-179-3156
NSN 6105-00-808-1587
NSN 6610-01-646-9101
NSN 2925-01-408-6205