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 6610-00-288-5655
NSN 6240-00-146-9322
NSN 5915-01-633-9845
NSN 5975-01-277-1617
NSN 5855-01-569-4057
NSN 6220-00-508-9155
NSN 6220-01-456-3692
NSN 5999-01-550-6831
NSN 5950-01-488-1275
NSN 5905-00-612-0010
NSN 5950-01-391-7174
NSN 7035-00-931-9415