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 5990-00-913-8859
NSN 5999-01-161-8984
NSN 5998-00-816-6014
NSN 6135-01-512-8740
NSN 7035-00-731-8729
NSN 5996-00-463-1806
NSN 6150-00-265-7799
NSN 5950-00-017-9678
NSN 5930-01-582-0947
NSN 6240-01-542-8886
NSN 5960-01-056-4167
NSN 5855-01-366-2429