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 6320-01-302-5157
NSN 6610-00-556-1870
NSN 5930-01-072-8667
NSN 5975-00-704-0334
NSN 6240-00-121-7628
NSN 5960-01-309-5933
NSN 5999-01-315-3306
NSN 6220-00-227-8209
NSN 6145-00-882-4976
NSN 4140-01-582-4334
NSN 5996-01-057-1981
NSN 6320-01-253-1028