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 4140-01-440-0653
NSN 5915-00-935-4984
NSN 7035-01-334-5855
NSN 6150-00-518-4558
NSN 7035-01-556-2554
NSN 5985-00-054-2426
NSN 5985-01-258-4769
NSN 6145-01-152-6232
NSN 5920-01-121-6525
NSN 5855-01-533-3888
NSN 6620-01-106-9100
NSN 5930-01-612-6675