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 6610-01-158-6540
NSN 5910-01-276-9931
NSN 4140-00-907-0775
NSN 5920-01-013-8594
NSN 5965-01-346-4929
NSN 5975-00-460-5045
NSN 5990-00-284-0537
NSN 5835-00-143-4153
NSN 5915-01-630-7232
NSN 5835-01-256-5555
NSN 5835-01-486-4191
NSN 6135-01-377-5729