A long spar, beam or a-frame structure, to support a hoist.
NSN 5915-01-125-1484
NSN 5920-01-572-1092
NSN 2925-01-301-1727
NSN 4140-01-132-0093
NSN 5835-01-158-6878
NSN 6220-01-370-5980
NSN 7035-00-731-8729
NSN 5990-01-216-1276
NSN 5935-01-416-2972
NSN 5915-01-503-2305
NSN 5915-01-384-4464
NSN 5999-01-146-4718