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 5920-00-231-3922
NSN 5935-01-392-4148
NSN 5990-01-560-0896
NSN 5915-00-170-4209
NSN 5855-00-472-2055
NSN 5999-00-570-9291
NSN 5950-01-225-9389
NSN 5925-01-612-0636
NSN 5950-01-188-4333
NSN 4140-01-279-0556
NSN 5985-00-420-9491
NSN 5990-00-129-6651