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 4140-01-326-5320
NSN 6645-01-067-4393
NSN 5920-00-405-8469
NSN 5930-01-439-0231
NSN 5990-01-588-3999
NSN 6135-01-510-9986
NSN 5945-00-129-5710
NSN 5835-01-431-6877
NSN 6105-00-052-8961
NSN 5855-00-560-0110
NSN 5998-01-501-6058
NSN 5996-00-707-6228