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 6240-00-224-5323
NSN 6240-01-569-2252
NSN 5895-01-210-5710
NSN 6645-00-192-1152
NSN 5999-01-511-0417
NSN 6610-01-439-5447
NSN 5905-00-874-3913
NSN 6130-01-191-1959
NSN 5999-01-138-0969
NSN 5999-01-502-5532
NSN 5975-00-701-8061
NSN 6220-00-145-1423