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 6240-01-263-0123
NSN 5975-01-330-4426
NSN 5935-00-780-8459
NSN 6685-01-355-6190
NSN 6110-00-299-0260
NSN 6145-01-423-0382
NSN 6610-01-469-6235
NSN 6150-00-015-7284
NSN 6620-00-969-3972
NSN 5996-01-258-8873
NSN 6130-01-339-5326
NSN 6240-00-935-1480