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 5910-01-395-5030
NSN 5930-01-341-6431
NSN 2925-01-510-9378
NSN 6105-00-786-7104
NSN 5965-00-868-8711
NSN 5895-01-413-3576
NSN 5998-00-815-1896
NSN 6220-01-162-7954
NSN 5945-01-062-3055
NSN 5905-01-251-5570
NSN 5915-01-113-7872
NSN 5985-01-219-1729