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 5990-00-764-7487
NSN 2925-00-845-1480
NSN 5965-01-393-5833
NSN 5960-00-597-2680
NSN 5945-00-612-8315
NSN 2925-01-146-0278
NSN 6650-01-191-1669
NSN 6145-01-606-9941
NSN 5930-01-383-7819
NSN 6320-01-422-0765
NSN 5975-00-617-3458
NSN 2925-00-099-4030