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 5905-00-816-8554
NSN 5930-00-130-9109
NSN 5990-00-905-5537
NSN 6610-01-474-5206
NSN 5935-01-105-6708
NSN 5999-01-444-1389
NSN 6645-01-243-0468
NSN 5930-00-542-8499
NSN 2925-01-149-2865
NSN 6650-01-282-5805
NSN 5930-01-013-2465
NSN 5905-00-165-0177