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 5985-01-377-1414
NSN 5835-01-039-6993
NSN 7035-01-623-4212
NSN 6135-01-399-8230
NSN 6620-00-797-2591
NSN 5960-01-163-6416
NSN 5930-01-092-7586
NSN 6320-01-379-1182
NSN 6150-00-900-4984
NSN 5930-01-040-8320
NSN 6685-00-688-5154
NSN 6145-00-246-9776