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 5990-00-557-7661
NSN 7035-00-079-7189
NSN 5920-01-357-0997
NSN 6105-01-599-2005
NSN 5910-00-268-8194
NSN 5965-00-615-0758
NSN 5905-01-542-4378
NSN 5950-01-571-8541
NSN 6685-01-599-8093
NSN 5920-01-461-8719
NSN 5895-01-067-7957
NSN 6150-01-099-2818