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 5975-00-792-8506
NSN 4140-01-409-1764
NSN 5996-00-990-2192
NSN 5998-01-545-1221
NSN 6110-01-482-9931
NSN 5999-00-581-5253
NSN 5998-01-310-8725
NSN 5925-00-576-5409
NSN 5905-00-260-5008
NSN 6150-01-317-3293
NSN 5996-00-557-8902
NSN 6145-00-830-8210