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 4140-01-370-4075
NSN 2925-00-124-5465
NSN 6135-00-983-9187
NSN 6150-01-153-8844
NSN 5950-00-435-3708
NSN 5950-01-268-7827
NSN 5930-00-160-6729
NSN 5975-01-411-6054
NSN 7035-01-540-8443
NSN 5990-00-812-1513
NSN 6150-00-278-1060
NSN 6145-01-586-6269