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 6685-01-007-0259
NSN 5910-01-058-2255
NSN 5920-00-421-6447
NSN 6145-01-626-7918
NSN 6320-00-731-6134
NSN 6150-01-163-8574
NSN 5910-01-121-0373
NSN 6145-01-501-4228
NSN 6130-00-828-5102
NSN 6150-00-694-6870
NSN 6320-01-039-5891
NSN 5915-00-051-0723