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 6645-01-138-2985
NSN 5975-01-506-9170
NSN 6135-00-767-0331
NSN 5998-00-370-0650
NSN 5910-01-624-9218
NSN 5945-00-725-2913
NSN 5975-01-086-1626
NSN 5999-00-432-8868
NSN 6610-01-447-2560
NSN 5960-01-601-5565
NSN 5950-01-211-6459
NSN 6650-00-468-8071