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 6320-01-240-4637
NSN 6650-01-173-5651
NSN 6220-01-525-1365
NSN 6685-00-740-4355
NSN 6610-00-139-1105
NSN 5910-01-313-6664
NSN 5945-01-308-4230
NSN 5998-00-140-7406
NSN 5965-01-447-8821
NSN 6320-00-194-4252
NSN 6135-01-167-0759
NSN 6150-01-472-4124