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 5990-01-527-7640
NSN 6150-00-993-9959
NSN 5910-01-174-5178
NSN 5999-00-679-5908
NSN 5930-00-278-7731
NSN 6620-00-998-6191
NSN 5945-00-539-0083
NSN 5905-01-631-4152
NSN 6620-00-965-9841
NSN 6685-01-398-7371
NSN 6685-00-274-5533
NSN 6620-01-507-5283