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 5998-00-557-7780
NSN 4140-00-814-2505
NSN 5915-01-506-9829
NSN 5905-01-515-9882
NSN 6150-01-152-0331
NSN 6130-01-135-9233
NSN 6620-01-441-7896
NSN 5965-00-834-6298
NSN 6145-01-099-4742
NSN 5935-00-285-2767
NSN 6220-01-125-0891
NSN 5915-01-461-2425