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 6130-01-497-7555
NSN 6130-01-529-7629
NSN 5905-00-853-2745
NSN 5950-01-558-2009
NSN 6150-01-518-0479
NSN 5895-00-308-5817
NSN 6105-01-281-4279
NSN 6145-01-334-6750
NSN 2925-00-233-5644
NSN 6105-01-176-9930
NSN 5835-01-528-7454
NSN 5835-00-785-7921