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 6135-01-418-4156
NSN 5999-01-574-4771
NSN 5835-01-509-8992
NSN 5950-00-224-2079
NSN 5996-01-147-6054
NSN 5930-01-112-0157
NSN 6240-01-401-5340
NSN 7035-01-403-2841
NSN 5915-00-644-5735
NSN 7035-00-731-8729
NSN 5985-01-299-2957
NSN 6620-01-625-2855