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 5999-01-401-5322
NSN 6110-01-387-8965
NSN 5920-00-430-8811
NSN 6610-01-605-1509
NSN 5930-01-067-2011
NSN 5930-01-170-4205
NSN 5920-01-106-1137
NSN 5999-00-761-4738
NSN 5855-00-116-6621
NSN 4140-01-244-5140
NSN 6105-00-947-2561
NSN 5895-00-100-7874