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 5915-01-336-5544
NSN 5935-01-541-1375
NSN 6145-01-470-8029
NSN 4140-01-538-6011
NSN 4140-01-383-8566
NSN 5960-01-003-8480
NSN 5998-00-762-9130
NSN 6650-01-472-2244
NSN 6145-00-545-7215
NSN 5855-01-372-1622
NSN 5975-01-062-7718
NSN 5910-00-033-3761