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 4140-01-239-6517
NSN 6150-01-047-7716
NSN 5975-00-861-6720
NSN 6130-00-984-5221
NSN 5999-01-567-7505
NSN 4140-01-606-8332
NSN 5935-01-416-5879
NSN 5910-01-377-5032
NSN 5910-00-114-1829
NSN 5950-01-463-9679
NSN 5930-00-478-9559
NSN 6240-00-811-2777