Navy offset extension tube, part of climbing protection system, material is stainless steel type 316, 3/16 inches thick
NSN 5990-01-652-7373
NSN 6685-01-004-1888
NSN 5855-00-832-9341
NSN 6650-01-029-5414
NSN 6685-01-050-2201
NSN 5996-00-781-1429
NSN 7035-00-535-8109
NSN 5835-00-523-0736
NSN 6620-01-062-4307
NSN 5930-00-670-5764
NSN 5910-00-067-7740
NSN 6620-01-213-8772