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 6650-01-621-4138
NSN 6110-01-155-7004
NSN 5925-01-012-3624
NSN 5999-01-047-7096
NSN 6145-01-581-8655
NSN 5920-01-543-6348
NSN 6150-01-060-6983
NSN 5990-01-382-5364
NSN 5996-01-268-1625
NSN 7035-01-519-8227
NSN 5905-00-952-2990
NSN 6685-01-600-0433