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 2925-00-180-2532
NSN 5910-00-391-2295
NSN 4140-01-238-1906
NSN 5920-00-296-0454
NSN 5910-01-257-8125
NSN 5990-01-271-8130
NSN 5998-00-125-2979
NSN 6150-01-509-1076
NSN 5935-01-042-6332
NSN 6105-01-407-0453
NSN 6110-00-071-2783
NSN 5920-00-933-8972