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 6135-01-552-1568
NSN 2925-01-397-8028
NSN 6650-01-024-9554
NSN 6130-00-984-3035
NSN 5935-00-195-4497
NSN 6150-01-166-1064
NSN 6620-01-446-7290
NSN 5835-00-876-4544
NSN 5910-01-430-7235
NSN 6240-01-023-4623
NSN 5960-01-567-1096
NSN 5905-01-546-6241