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 6620-01-578-7561
NSN 6240-01-358-9980
NSN 6110-01-410-8934
NSN 5905-01-041-6576
NSN 5950-01-440-8296
NSN 5990-00-797-7649
NSN 6130-01-490-0295
NSN 5965-01-447-6485
NSN 5996-00-533-8061
NSN 5998-01-004-9340
NSN 5975-01-031-3216
NSN 6645-01-549-8910