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 5996-01-512-2040
NSN 6220-01-602-9275
NSN 5990-01-643-4167
NSN 5855-00-149-0766
NSN 5960-00-382-6012
NSN 5855-00-925-7887
NSN 5996-00-130-0841
NSN 5855-01-057-2200
NSN 4140-01-407-9668
NSN 5905-01-461-3144
NSN 5920-00-448-3139
NSN 6145-01-406-2837