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 6220-01-178-0171
NSN 6105-01-010-5953
NSN 6320-00-908-6841
NSN 6645-01-236-6387
NSN 5998-01-302-2892
NSN 5996-00-588-7632
NSN 5910-01-137-4212
NSN 5965-01-167-3495
NSN 6320-01-495-0512
NSN 5960-00-939-6039
NSN 5945-01-551-6252
NSN 6220-01-579-8232