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 6620-01-133-4193
NSN 5895-01-597-6335
NSN 5996-01-389-8609
NSN 6130-01-507-7153
NSN 4140-01-483-0477
NSN 5945-00-911-9164
NSN 5985-01-128-8247
NSN 5920-00-387-5312
NSN 6645-01-239-3702
NSN 6220-01-327-3272
NSN 5895-01-294-4740
NSN 5835-01-424-4577