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 5915-01-134-2141
NSN 5925-00-241-0113
NSN 5835-00-733-9145
NSN 5915-01-317-3158
NSN 5965-01-420-6613
NSN 6650-00-620-0212
NSN 5950-01-502-1271
NSN 6645-00-542-1206
NSN 5855-00-087-7833
NSN 5835-01-498-9410
NSN 6150-01-048-4207
NSN 6650-01-456-6516