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 5990-01-136-4068
NSN 5975-00-593-9767
NSN 6220-01-010-3958
NSN 6240-00-918-2426
NSN 6610-00-273-9019
NSN 5985-01-441-6791
NSN 5945-01-152-1368
NSN 5855-01-301-0158
NSN 6610-01-010-3159
NSN 5945-00-767-2276
NSN 5999-00-961-6159
NSN 5960-00-081-9255