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 5990-00-103-7971
NSN 6145-00-570-0516
NSN 6320-01-450-7083
NSN 5835-01-514-5758
NSN 6105-01-621-8411
NSN 6320-01-283-1300
NSN 5920-00-681-5454
NSN 6320-01-194-1253
NSN 5920-01-361-8835
NSN 6150-01-530-3435
NSN 5990-00-186-2445
NSN 5930-01-078-8007