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 5975-01-314-9521
NSN 5996-01-367-6557
NSN 5960-00-503-0282
NSN 6110-01-361-8949
NSN 5915-01-190-7959
NSN 6145-00-758-9884
NSN 5950-01-425-2163
NSN 4140-01-318-7540
NSN 5910-00-408-8859
NSN 5975-00-248-9516
NSN 5920-00-081-4647
NSN 5920-01-487-4195