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 6620-01-440-9810
NSN 6145-01-289-7863
NSN 5975-01-394-4152
NSN 5960-01-185-9884
NSN 2925-01-133-8128
NSN 6135-01-499-6293
NSN 5930-00-683-6542
NSN 5965-00-113-6874
NSN 5910-01-308-6537
NSN 6135-01-317-6021
NSN 5990-00-274-3225
NSN 6650-01-013-8804