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 6135-00-269-5843
NSN 6130-01-308-7643
NSN 6685-01-508-3823
NSN 6320-01-561-9011
NSN 5999-00-821-4394
NSN 6320-01-476-7702
NSN 6135-01-369-0939
NSN 6220-01-147-5320
NSN 5965-01-519-8758
NSN 5999-01-334-9794
NSN 5990-00-249-7887
NSN 2925-01-633-4048