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 6620-01-383-1997
NSN 5950-00-171-2894
NSN 6620-01-313-3755
NSN 5990-01-249-2060
NSN 6610-01-160-6585
NSN 5990-01-499-6930
NSN 6220-01-634-0660
NSN 6105-01-417-8932
NSN 5999-00-901-4689
NSN 5925-01-323-5784
NSN 6135-00-078-9931
NSN 5965-01-558-2097