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 6620-01-177-5567
NSN 4140-00-279-0515
NSN 5835-00-642-8148
NSN 5935-01-571-4939
NSN 6220-00-209-9630
NSN 6145-00-437-8960
NSN 5925-01-302-0364
NSN 6650-00-515-6002
NSN 5925-00-955-0659
NSN 6105-01-541-4811
NSN 6220-01-649-5291
NSN 6650-00-862-7143