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 6240-01-257-2153
NSN 6620-00-869-4678
NSN 6145-01-562-7106
NSN 4140-01-294-8941
NSN 5990-00-006-5760
NSN 6130-01-210-4378
NSN 6650-00-890-0480
NSN 5935-01-659-4188
NSN 5998-00-508-9955
NSN 5835-01-576-9013
NSN 6320-01-176-8367
NSN 6130-01-233-5742