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 6150-01-655-1478
NSN 6650-01-545-1563
NSN 6130-01-588-1740
NSN 6610-01-399-1295
NSN 5950-01-583-9877
NSN 5915-01-647-4236
NSN 6150-01-219-9342
NSN 6135-01-255-9129
NSN 5910-00-180-8208
NSN 6220-01-383-1523
NSN 5998-00-070-5795
NSN 2925-01-372-9455