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 5905-01-058-6041
NSN 5920-01-155-1128
NSN 6110-00-103-2740
NSN 5910-01-534-7051
NSN 5920-01-239-2038
NSN 5895-01-452-8510
NSN 5998-00-492-8670
NSN 6610-00-100-1195
NSN 5910-01-089-9680
NSN 6645-01-250-3787
NSN 6645-01-375-8176
NSN 6105-01-358-0155