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 6240-01-237-6642
NSN 5925-00-856-4818
NSN 5990-01-181-9886
NSN 5996-00-827-4273
NSN 5905-01-578-6998
NSN 5835-00-221-1005
NSN 5996-01-243-4072
NSN 5835-00-509-2373
NSN 5999-01-164-6504
NSN 6320-01-383-3257
NSN 5999-01-495-2963
NSN 5905-01-434-9149