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 5895-01-632-8502
NSN 6240-01-500-6260
NSN 6645-01-328-5583
NSN 5945-01-481-2280
NSN 6320-01-532-7491
NSN 5925-01-336-5355
NSN 6130-01-422-3698
NSN 6110-01-194-2217
NSN 6645-01-082-0518
NSN 6650-01-243-7789
NSN 4140-01-012-1678
NSN 6610-00-411-2876