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 5998-01-479-0298
NSN 6220-01-256-9623
NSN 2925-00-491-3549
NSN 5960-01-041-9512
NSN 5990-00-522-3425
NSN 6645-00-269-2764
NSN 6130-01-376-1625
NSN 6650-01-375-8207
NSN 6320-01-119-3935
NSN 6110-00-618-4171
NSN 5965-01-386-2988
NSN 6650-01-406-5322