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.
Classification: Gaskets, washers and other seals, of vulcanized rubber other than hard rubber
NSN 6240-01-642-3740
NSN 2925-01-517-8544
NSN 6610-01-489-0071
NSN 6650-00-910-2708
NSN 5920-01-107-4454
NSN 6110-00-166-1998
NSN 5990-00-428-1895
NSN 2925-01-345-9439
NSN 6135-01-071-4923
NSN 6610-00-281-9516
NSN 5895-01-193-7474
NSN 6650-01-502-9909