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 6650-00-090-5320
NSN 5990-00-961-6186
NSN 6620-01-157-4417
NSN 6220-00-541-8515
NSN 5915-01-469-6831
NSN 6685-01-588-4677
NSN 6220-01-352-6132
NSN 6320-01-459-6992
NSN 5835-01-576-9013
NSN 5960-01-431-4291
NSN 2925-01-118-6125
NSN 6105-00-172-4246