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 6610-00-004-2879
NSN 6650-00-161-4122
NSN 5985-01-641-8460
NSN 5950-01-020-6522
NSN 5975-00-833-7701
NSN 5990-00-064-7839
NSN 5965-01-527-5981
NSN 7035-01-227-7492
NSN 4140-00-736-4224
NSN 6620-01-573-1952
NSN 5965-00-055-8013
NSN 6645-01-495-0939