Tube "b", 20 feet long. Used to fabricate a mast for low-impact resis-tance structures for lighting supportsfor airport approach lighting systems, models alsf-2 and malsr.Tube includes a tube splice bonded joint protruding 4 inches from one end, splice joint 6.00 inch od has hoop wound ring 7-1/4inch od by 1-1/2 inch wide 60 inch from splice joint end. Over-all dim. 6.000 inch plus 0.005 or minus 0.000 inch id; 6.250 inch plus or minus 0.031 inch od; 20 ft 4 in long. Helix ring joints spaced at 42.00 inch intervals for frangible joint. Fiber glass material. Per faa spec. Faa-e- 2702; item 13, drwg d-6155-1, alsf-2 and malsr lir structures, structural configurations
A collection of items, for the support of a tower.
NSN 5920-00-140-1492
NSN 5835-01-525-3220
NSN 6130-01-114-3220
NSN 4140-00-170-5152
NSN 5835-01-412-0344
NSN 6220-00-218-0857
NSN 7035-01-489-5679
NSN 5996-00-432-2405
NSN 6130-01-533-0246
NSN 5975-00-290-4285
NSN 5905-01-141-1162
NSN 6220-01-522-7657