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 6110-00-263-6664
NSN 2925-00-486-8640
NSN 5930-01-331-5500
NSN 5950-00-758-6857
NSN 6135-01-310-9866
NSN 5945-01-381-1268
NSN 5935-00-532-0972
NSN 4140-00-100-4563
NSN 5855-01-418-6303
NSN 6105-01-200-8131
NSN 6320-00-261-9136
NSN 5905-01-277-3728