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 6150-00-760-0651
NSN 5950-01-524-7531
NSN 6240-00-105-6341
NSN 5985-01-651-1326
NSN 6130-00-945-2992
NSN 5945-01-441-0524
NSN 5999-00-944-5440
NSN 6110-01-352-7200
NSN 5920-01-641-9290
NSN 6145-01-487-3773
NSN 5930-00-482-9239
NSN 5945-01-258-5042