A nonmetallic circular item with an aperature, having a solid round cross-section. They are used primarily for sealing. For items with other than round cross section, see packing,preformed. For noncircular items with a round cross-section, see seal,nonmetallic round section and rubber,round section.
NSN 5998-01-051-2188
NSN 6150-01-228-5394
NSN 5920-01-646-3890
NSN 6610-00-951-4451
NSN 6135-01-470-9738
NSN 6150-01-153-0524
NSN 5905-00-237-3197
NSN 5930-00-540-9647
NSN 6620-01-461-2387
NSN 5915-01-545-2795
NSN 6145-01-445-7942
NSN 5915-00-121-5544