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 5960-00-775-7630
NSN 6110-01-393-5093
NSN 6645-00-851-6654
NSN 6610-01-302-2073
NSN 6685-01-288-9830
NSN 6110-01-400-4207
NSN 6220-01-274-0724
NSN 6685-01-539-1453
NSN 5985-00-171-5084
NSN 5998-00-452-9640
NSN 5910-01-387-2136
NSN 5915-01-260-4112