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 6645-01-400-2119
NSN 6105-01-433-8804
NSN 4140-01-038-2336
NSN 5930-01-423-0595
NSN 6240-01-100-4158
NSN 6320-00-242-3300
NSN 5999-00-246-6304
NSN 5925-01-514-9311
NSN 5985-01-253-2843
NSN 5996-00-231-9322
NSN 6650-01-655-8666
NSN 5975-01-264-9858