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 5855-00-586-6255
NSN 6620-01-476-7355
NSN 5990-01-507-7495
NSN 6130-01-111-9868
NSN 6130-01-066-5893
NSN 5910-00-291-3955
NSN 6650-01-236-3817
NSN 5990-00-167-2692
NSN 5985-01-570-7018
NSN 5975-00-437-4064
NSN 5996-00-442-8979
NSN 4140-00-974-5055