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 4140-01-242-8254
NSN 5975-01-023-1777
NSN 5998-01-172-0510
NSN 5960-00-672-3836
NSN 5910-00-269-3714
NSN 6240-01-004-2032
NSN 6220-00-561-6177
NSN 6145-00-007-1620
NSN 5965-01-201-7487
NSN 5960-00-782-7658
NSN 6685-01-507-5310
NSN 5965-01-358-1279