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 5905-01-341-8901
NSN 5985-01-179-8379
NSN 5835-01-267-3388
NSN 6130-00-598-2034
NSN 5999-01-256-0077
NSN 6145-01-479-8135
NSN 6220-00-186-8565
NSN 5920-01-256-5830
NSN 5999-00-057-3770
NSN 5950-01-414-1398
NSN 6135-00-016-0071
NSN 5945-00-615-6778