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 2925-00-422-5159
NSN 5910-00-163-3938
NSN 5965-01-417-3211
NSN 5975-00-183-5301
NSN 5975-01-500-1858
NSN 6650-01-522-0075
NSN 5855-00-494-9581
NSN 6145-01-582-0585
NSN 5925-00-728-6605
NSN 6135-01-350-2932
NSN 6320-00-242-3300
NSN 6685-00-884-3885