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 4140-01-065-0314
NSN 6685-01-011-2159
NSN 6620-01-306-1347
NSN 5855-01-505-5144
NSN 2925-01-510-2221
NSN 7035-00-731-8729
NSN 5999-01-368-3371
NSN 5935-00-570-4908
NSN 5945-00-692-2183
NSN 6145-01-306-9133
NSN 5910-01-487-3735
NSN 6685-01-020-5635