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 5990-01-388-0252
NSN 6620-00-425-7475
NSN 5925-00-932-3027
NSN 5950-01-017-7310
NSN 2925-01-580-2993
NSN 5965-01-618-8346
NSN 6220-01-429-4626
NSN 4140-01-165-6409
NSN 6105-00-489-9140
NSN 5930-01-141-9424
NSN 6135-01-303-0295
NSN 5930-01-154-2641