A long spar, beam or a-frame structure, to support a hoist.
NSN 6145-01-582-8435
NSN 5925-01-163-3978
NSN 5855-01-495-1339
NSN 5950-00-088-2711
NSN 5925-01-349-5602
NSN 6610-01-552-3708
NSN 5965-01-648-2590
NSN 6650-01-320-8778
NSN 5855-01-547-6540
NSN 5950-01-522-1267
NSN 5835-01-528-7454
NSN 5910-01-232-3447