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 5990-01-278-9985
NSN 5905-01-285-9079
NSN 6685-00-169-6505
NSN 6110-01-594-0616
NSN 5920-01-401-5315
NSN 5990-01-587-8562
NSN 6110-01-653-1405
NSN 6105-01-241-5778
NSN 6110-01-342-4253
NSN 7035-01-048-7122
NSN 5855-00-110-9341
NSN 5999-00-468-7992