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 5990-01-633-9503
NSN 5950-01-158-0014
NSN 5996-00-781-8993
NSN 5985-01-196-9458
NSN 5905-00-543-2144
NSN 5930-01-356-6560
NSN 5960-00-931-0614
NSN 6110-01-577-4718
NSN 5990-01-463-2279
NSN 2925-00-115-5857
NSN 6610-01-426-5090
NSN 6240-00-015-3725