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 6240-01-414-9529
NSN 6145-00-226-9499
NSN 5998-01-348-5420
NSN 4140-01-351-1014
NSN 5950-00-378-9959
NSN 5910-01-449-1055
NSN 6240-01-188-2745
NSN 5920-00-960-7614
NSN 5935-00-531-6185
NSN 5999-01-486-4912
NSN 4140-01-188-0111
NSN 6645-00-658-7838