A long spar, beam or a-frame structure, to support a hoist.
NSN 6610-01-153-8625
NSN 7035-01-521-3449
NSN 6105-00-845-6986
NSN 5915-00-612-1278
NSN 6110-00-699-1495
NSN 6240-01-270-3655
NSN 6110-01-415-0589
NSN 4140-01-551-1125
NSN 5895-00-237-6048
NSN 5930-00-809-2515
NSN 5950-01-212-9660
NSN 5996-00-605-8496