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 5910-00-777-5740
NSN 6620-00-643-1402
NSN 5835-01-018-6294
NSN 6320-01-578-6006
NSN 5960-01-010-3083
NSN 5990-00-079-0932
NSN 6130-00-583-9925
NSN 6130-01-321-7487
NSN 5990-00-316-8872
NSN 5975-00-900-4013
NSN 5998-01-154-8170
NSN 6320-00-682-3448