Navy offset extension tube, part of climbing protection system used on permanent type ladders, material is stainless steel type 316, 0.120 inches thick
NSN 6105-01-599-8303
NSN 5905-01-496-4269
NSN 5935-00-347-1732
NSN 6135-01-353-1036
NSN 5960-01-212-4227
NSN 5965-01-396-3184
NSN 6620-01-420-3386
NSN 6650-00-938-9233
NSN 5960-01-409-1917
NSN 5999-00-488-9980
NSN 6105-00-008-0214
NSN 5945-01-294-4114