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 6220-00-376-2193
NSN 5990-00-924-4167
NSN 4140-01-400-2375
NSN 6620-01-416-1757
NSN 6145-00-862-7069
NSN 6620-01-248-0358
NSN 4140-01-433-5313
NSN 6320-01-504-3948
NSN 5996-01-345-7547
NSN 5960-01-550-8038
NSN 5905-01-655-3411
NSN 6130-01-358-2615