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 5920-01-554-8680
NSN 5990-00-006-5760
NSN 6650-01-212-3964
NSN 6220-00-431-2123
NSN 6135-00-777-5562
NSN 6105-01-601-8806
NSN 6610-00-243-7025
NSN 5965-00-444-0621
NSN 4140-01-257-6571
NSN 5975-00-008-7834
NSN 5910-01-330-0949
NSN 5950-01-540-7949