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 4140-00-269-8545
NSN 5915-01-350-5698
NSN 7035-01-183-7550
NSN 5855-01-262-1766
NSN 6135-00-488-4478
NSN 5915-01-058-7702
NSN 5975-00-767-0976
NSN 5996-00-420-7950
NSN 7035-00-018-0350
NSN 6145-01-401-3713
NSN 6650-00-004-3683
NSN 5999-00-580-8909