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 4140-00-678-8443
NSN 6145-01-063-6486
NSN 7035-01-227-2546
NSN 6110-00-518-2998
NSN 6610-01-633-8931
NSN 5998-00-683-1333
NSN 5999-00-539-4861
NSN 5910-00-816-9556
NSN 6220-01-538-0627
NSN 5998-00-419-0425
NSN 5960-01-632-6576
NSN 6150-00-666-3635