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 5975-01-053-4115
NSN 5998-01-621-6114
NSN 5985-01-356-3344
NSN 6610-00-216-6538
NSN 6110-01-491-2158
NSN 5935-00-456-4719
NSN 6145-01-580-0334
NSN 6240-00-865-1938
NSN 6150-00-256-6466
NSN 6130-01-470-9944
NSN 5960-00-088-6527
NSN 5895-00-452-0333