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 6620-00-189-2381
NSN 5950-00-284-7294
NSN 5990-01-013-4569
NSN 4140-00-904-5841
NSN 6610-01-188-8163
NSN 6220-01-084-0287
NSN 6130-01-267-8242
NSN 5999-01-141-9122
NSN 6240-01-304-4741
NSN 5965-01-157-7732
NSN 5915-01-274-5485
NSN 4140-00-886-1710