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 4140-01-519-8910
NSN 6685-00-563-7475
NSN 5920-00-617-9909
NSN 2925-01-194-9737
NSN 5915-01-419-9719
NSN 6150-01-588-5022
NSN 6150-01-462-0666
NSN 6220-00-922-3714
NSN 6220-01-522-7657
NSN 5905-01-460-4938
NSN 5920-00-455-1050
NSN 6150-00-834-0537