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 5950-00-521-5201
NSN 5895-00-209-9766
NSN 5999-01-383-6979
NSN 4140-01-169-8105
NSN 5835-01-155-0786
NSN 5905-00-306-2799
NSN 5990-00-991-8723
NSN 6145-00-663-6133
NSN 5965-00-405-3793
NSN 6110-00-156-6468
NSN 6620-01-449-2730
NSN 5910-00-281-0148