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 5996-00-543-1566
NSN 7035-01-004-8819
NSN 6650-01-339-5257
NSN 6320-00-977-3930
NSN 6150-00-518-1853
NSN 6685-01-203-2160
NSN 6240-01-437-6888
NSN 6220-00-149-0977
NSN 6320-00-456-2092
NSN 6240-01-055-9696
NSN 4140-00-844-9436
NSN 5855-00-832-9341