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 5855-01-292-5639
NSN 5960-01-413-3877
NSN 6130-01-274-0194
NSN 5910-01-502-4411
NSN 5990-01-537-1124
NSN 5945-01-295-7467
NSN 4140-01-461-2350
NSN 4140-01-529-4722
NSN 5855-00-879-5849
NSN 6240-01-582-6353
NSN 5915-01-012-2964
NSN 5920-01-481-3400