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 5855-00-797-8217
NSN 5960-00-876-7927
NSN 6620-01-388-5713
NSN 5975-00-446-7875
NSN 2925-01-461-6372
NSN 6135-01-200-5144
NSN 6620-00-980-8046
NSN 6135-00-519-1325
NSN 6240-00-435-0433
NSN 4140-01-034-1135
NSN 6685-01-564-7979
NSN 6145-01-497-6262