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 4140-00-111-3247
NSN 6130-00-679-8891
NSN 7035-01-543-4016
NSN 5835-01-645-2892
NSN 6150-01-337-9782
NSN 5965-01-641-0237
NSN 5999-00-089-5136
NSN 5990-01-027-8260
NSN 5910-01-336-1729
NSN 5999-01-618-0559
NSN 2925-00-659-9256
NSN 6105-01-572-2706