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 5910-01-395-9274
NSN 5990-01-264-9759
NSN 5935-01-510-6564
NSN 2925-01-657-9741
NSN 6220-01-610-1511
NSN 6650-01-633-9147
NSN 6145-01-058-7193
NSN 6220-01-654-0007
NSN 5999-01-515-5871
NSN 6150-01-441-5591
NSN 6610-00-256-8006
NSN 5905-01-338-3468