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 5935-01-292-3404
NSN 6135-01-136-1059
NSN 5905-01-026-7783
NSN 2925-01-522-5631
NSN 5950-01-312-2578
NSN 4140-01-339-5355
NSN 5998-00-505-2057
NSN 2925-00-601-0681
NSN 6610-01-236-8359
NSN 6685-01-481-3864
NSN 6135-01-264-1311
NSN 5985-00-372-5946