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 6145-00-221-6528
NSN 5930-00-480-6005
NSN 6650-01-102-7847
NSN 5990-01-131-9055
NSN 5930-01-500-1326
NSN 6610-00-267-1102
NSN 4140-01-430-2335
NSN 5998-00-753-1581
NSN 5999-01-203-0442
NSN 6320-01-343-8191
NSN 5935-01-181-5678
NSN 5960-01-266-7564