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 6620-00-986-0747
NSN 5945-01-135-2227
NSN 6240-00-227-0135
NSN 5998-00-599-4553
NSN 6105-01-585-1559
NSN 5855-00-455-6070
NSN 6240-01-304-6355
NSN 5835-00-494-3710
NSN 5990-00-840-6571
NSN 4140-00-255-7799
NSN 6150-00-528-4175
NSN 6610-01-291-4173