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 6135-01-388-2761
NSN 6240-01-319-8145
NSN 5999-01-537-2148
NSN 6240-00-299-9819
NSN 4140-01-417-8070
NSN 5945-00-719-9872
NSN 4140-00-899-3086
NSN 2925-01-531-6811
NSN 6130-01-538-5921
NSN 6110-01-193-2884
NSN 5975-00-215-8571
NSN 6110-00-140-1688