Navy offset extension tube, part of climbing protection system, material is stainless steel type 316, 3/16 inches thick
NSN 5950-00-677-0307
NSN 5905-01-236-5504
NSN 5999-01-291-0835
NSN 6610-00-239-8613
NSN 5905-00-905-6640
NSN 2925-00-386-8745
NSN 5910-00-097-3939
NSN 5835-01-578-3443
NSN 6150-01-452-6783
NSN 5960-01-056-4982
NSN 6130-00-004-5590
NSN 6150-00-138-3068