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.
NSN 6150-01-289-7258
NSN 5945-00-246-5740
NSN 5998-01-295-6886
NSN 5998-00-469-1066
NSN 6220-00-758-6370
NSN 5998-01-515-0074
NSN 6150-01-619-3349
NSN 7035-01-352-6235
NSN 6620-01-383-1997
NSN 4140-01-391-5839
NSN 6135-00-643-4843
NSN 6620-00-844-4363