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 5990-01-305-8121
NSN 5950-00-515-5402
NSN 6150-00-926-2964
NSN 6610-01-503-0153
NSN 5996-01-521-3234
NSN 6650-01-606-5725
NSN 5999-01-550-3139
NSN 5975-01-023-1977
NSN 6145-01-196-2636
NSN 5975-00-840-0045
NSN 5945-01-415-2842
NSN 6150-00-005-6550