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 5990-00-140-4559
NSN 6130-00-539-9964
NSN 5960-01-604-1158
NSN 6610-00-898-4867
NSN 6145-00-252-1899
NSN 4140-01-425-2934
NSN 6320-01-352-5653
NSN 6685-01-031-3009
NSN 6620-00-364-6890
NSN 5985-01-453-0731
NSN 5960-01-429-5897
NSN 5895-00-992-3532