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 5996-01-175-7881
NSN 5990-01-241-9472
NSN 5996-00-294-7045
NSN 5950-00-278-4186
NSN 6240-00-527-8614
NSN 6610-01-382-1936
NSN 5990-01-139-6042
NSN 5990-00-828-1771
NSN 5895-00-184-0843
NSN 5960-01-339-3037
NSN 4140-01-372-1039
NSN 5855-00-760-3870