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 5920-00-185-9587
NSN 6645-01-302-9608
NSN 5960-01-178-7500
NSN 5998-01-381-6963
NSN 6650-01-441-6578
NSN 6650-01-162-2881
NSN 5990-00-576-0386
NSN 5996-01-514-7341
NSN 4140-01-422-3744
NSN 5960-01-172-9724
NSN 5999-01-179-5149
NSN 5999-01-005-0762