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 5975-00-190-3220
NSN 5855-01-421-1440
NSN 4140-01-268-0500
NSN 5998-01-406-0642
NSN 5895-01-061-1758
NSN 6135-01-632-9323
NSN 4140-01-393-0720
NSN 6320-00-583-3105
NSN 5920-00-544-2562
NSN 6220-01-033-2082
NSN 5895-00-282-8310
NSN 5996-01-297-9385