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 6685-00-995-4957
NSN 6135-01-071-4923
NSN 5950-01-445-6004
NSN 6620-00-566-7924
NSN 2925-01-121-3355
NSN 5999-01-113-5820
NSN 6610-01-586-4255
NSN 6240-01-398-1891
NSN 5975-01-583-6058
NSN 5835-01-647-4859
NSN 5835-01-225-3080
NSN 5990-01-284-1595