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 5855-01-407-5761
NSN 5905-01-600-1728
NSN 5960-01-505-2426
NSN 6320-01-436-9228
NSN 4140-00-686-4894
NSN 5975-00-572-9118
NSN 6110-00-951-9824
NSN 5930-01-525-8279
NSN 5990-01-493-4039
NSN 5996-01-460-7650
NSN 5996-00-717-0913
NSN 5965-00-482-0913