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 5998-01-145-5199
NSN 5999-01-449-1345
NSN 5965-01-457-7297
NSN 5930-01-303-4913
NSN 6650-01-493-6638
NSN 6650-00-269-5000
NSN 6110-00-115-5873
NSN 4140-01-574-8138
NSN 6320-01-397-9995
NSN 4140-00-959-4255
NSN 6610-00-202-5481
NSN 6645-00-108-6479