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 4140-01-143-8132
NSN 5996-01-487-3733
NSN 5945-01-502-4181
NSN 6240-01-247-6212
NSN 6645-01-083-2001
NSN 5925-01-084-8930
NSN 5925-01-560-7567
NSN 2925-01-354-1752
NSN 2925-01-434-6945
NSN 6320-01-213-3974
NSN 5895-01-139-1988
NSN 6110-01-443-2468