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
NSN 5990-01-562-4521
NSN 6110-01-477-5146
NSN 5990-00-372-5177
NSN 6645-01-452-9495
NSN 5996-01-386-4230
NSN 5910-00-899-4714
NSN 5999-01-462-4856
NSN 6105-01-188-7155
NSN 6320-01-443-4972
NSN 5950-01-608-5105
NSN 5945-01-177-9653