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 6105-00-408-5552
NSN 6135-00-110-1981
NSN 6130-01-592-2961
NSN 5999-01-482-0765
NSN 7035-00-232-4043
NSN 5920-01-144-1500
NSN 4140-01-474-5524
NSN 2925-01-524-6622
NSN 6320-00-476-6898
NSN 5999-01-523-7446
NSN 5975-00-078-9117
NSN 6620-00-041-3406