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 5905-00-396-0066
NSN 5990-00-992-7968
NSN 5910-00-413-1335
NSN 6650-01-065-2796
NSN 4140-01-237-7969
NSN 5920-00-130-3593
NSN 6610-01-534-8075
NSN 5935-01-612-6152
NSN 5999-01-279-5486
NSN 6150-00-755-4852
NSN 5990-01-448-2751
NSN 5935-01-283-5708