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 6620-01-438-0415
NSN 5925-01-251-5716
NSN 5998-01-313-8942
NSN 6110-00-630-1074
NSN 5945-01-171-4327
NSN 5999-01-292-9218
NSN 5950-00-990-4630
NSN 5998-01-258-5231
NSN 6240-00-072-9966
NSN 5910-00-419-4355
NSN 6130-01-455-5531
NSN 6620-00-067-4946