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 6240-00-145-8167
NSN 6240-01-461-8193
NSN 5855-00-337-3679
NSN 5945-01-452-3295
NSN 5945-01-535-7037
NSN 5996-01-101-8770
NSN 4140-00-945-4055
NSN 6650-01-053-6404
NSN 6620-01-278-8028
NSN 6145-00-420-2177
NSN 6685-00-663-9000
NSN 6620-01-437-3146