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 5925-01-273-0711
NSN 6150-00-913-3370
NSN 5985-01-437-8863
NSN 6240-01-497-3085
NSN 6650-01-508-3651
NSN 5975-01-146-7386
NSN 2925-00-707-6770
NSN 5960-01-441-7047
NSN 5920-00-862-8734
NSN 6320-01-158-2177
NSN 5985-00-936-0894
NSN 5920-00-617-7129