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 6620-00-371-7109
NSN 2925-00-478-3742
NSN 4140-01-173-0151
NSN 5935-01-459-7143
NSN 5915-00-518-1644
NSN 6610-01-459-8722
NSN 5855-01-425-6340
NSN 5855-01-120-7831
NSN 2925-00-228-4021
NSN 6610-00-753-2281
NSN 5950-01-624-0491
NSN 4140-01-464-3231