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 6620-00-983-4171
NSN 5990-01-030-5206
NSN 6650-01-549-3099
NSN 6645-01-434-2648
NSN 5920-01-459-8057
NSN 5910-00-039-9074
NSN 5985-00-339-8323
NSN 6220-01-348-3725
NSN 6220-01-193-2021
NSN 6110-01-317-8073
NSN 6150-01-063-2244
NSN 6135-00-412-1687