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 5998-00-193-1835
NSN 6220-01-646-6342
NSN 5925-01-274-4941
NSN 5998-01-517-6930
NSN 6650-01-065-1704
NSN 4140-01-502-8993
NSN 6685-00-221-4435
NSN 5998-01-285-8188
NSN 5920-01-462-9027
NSN 5895-01-560-8117
NSN 5915-01-516-4259
NSN 5996-00-927-9922