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 6135-01-164-3561
NSN 5835-01-182-1966
NSN 4140-01-449-2903
NSN 5950-00-751-9738
NSN 5935-01-184-6517
NSN 6220-01-252-7033
NSN 6685-00-366-6997
NSN 5975-00-509-2879
NSN 5985-01-245-5461
NSN 5925-01-290-4808
NSN 6240-00-063-4359
NSN 6620-01-154-9651