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 6620-01-344-4005
NSN 5920-01-230-9572
NSN 6240-01-502-7883
NSN 6145-00-053-1166
NSN 6135-00-057-2005
NSN 6130-00-128-0034
NSN 5990-00-451-7630
NSN 4140-01-451-0361
NSN 5835-01-597-4820
NSN 5945-01-562-5766
NSN 5990-00-136-8030
NSN 6320-01-429-5728