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 5990-00-770-6975
NSN 5950-01-492-5919
NSN 6650-01-381-7172
NSN 5910-01-236-8051
NSN 5905-01-461-3144
NSN 6110-01-359-1055
NSN 5930-01-438-6710
NSN 6240-01-459-0902
NSN 5960-01-069-2009
NSN 5985-00-964-7692
NSN 5985-00-107-7928
NSN 5935-01-533-9088