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 6320-01-227-2648
NSN 6145-00-905-7255
NSN 5915-01-215-1183
NSN 6105-00-292-4110
NSN 6620-01-357-3643
NSN 5895-01-292-7077
NSN 5915-01-106-3944
NSN 6105-00-161-1834
NSN 5999-01-520-7257
NSN 5950-01-153-2650
NSN 6650-01-038-9079
NSN 5930-00-021-4845