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 5990-01-544-4360
NSN 6110-01-462-1698
NSN 5945-00-300-3931
NSN 6145-01-104-5084
NSN 5925-01-409-2616
NSN 6135-00-221-4720
NSN 6650-01-351-4544
NSN 5999-01-376-2844
NSN 5915-00-719-6455
NSN 6610-01-099-9710
NSN 2925-00-614-1758
NSN 5960-01-025-2526