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 6320-00-310-1080
NSN 6610-01-149-9749
NSN 5895-01-545-9396
NSN 5985-01-087-0954
NSN 5990-01-481-5274
NSN 5910-00-807-9140
NSN 6105-00-752-2560
NSN 6645-01-158-8136
NSN 5835-01-121-2098
NSN 5960-01-516-7264
NSN 5998-01-012-5865
NSN 6240-01-260-1266