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 4140-01-437-4138
NSN 6130-00-428-3787
NSN 5920-01-250-2195
NSN 6320-01-554-0901
NSN 6220-00-406-5045
NSN 2925-01-284-8641
NSN 5905-00-416-6108
NSN 5945-00-520-6043
NSN 5855-01-201-4857
NSN 6240-01-557-1177
NSN 5960-00-943-5245
NSN 5998-00-910-8772