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 6240-01-283-0404
NSN 6145-01-204-7021
NSN 5930-01-418-6374
NSN 5925-01-387-3533
NSN 5990-00-292-5017
NSN 5905-01-602-0277
NSN 5960-01-251-9659
NSN 5895-00-448-7193
NSN 5930-00-954-9916
NSN 4140-00-105-8391
NSN 5910-00-880-0800
NSN 5915-00-827-8383