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 6620-01-161-3704
NSN 6620-00-145-8232
NSN 5960-00-171-9575
NSN 5950-01-381-0490
NSN 4140-01-630-4512
NSN 5895-00-974-3616
NSN 6240-01-569-6904
NSN 5930-01-432-2481
NSN 6650-01-521-2077
NSN 6130-00-449-1201
NSN 6685-01-469-3137
NSN 6620-01-367-2597