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 6320-01-492-1976
NSN 5920-01-151-9117
NSN 5950-00-101-2640
NSN 6130-01-579-4861
NSN 5960-01-256-1868
NSN 5985-01-523-6060
NSN 6650-00-122-9452
NSN 5996-00-252-7914
NSN 5930-01-039-1776
NSN 5975-01-130-4268
NSN 5910-01-555-7751
NSN 5999-01-547-3801