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 5975-00-583-2960
NSN 6150-01-204-4165
NSN 4140-01-495-6979
NSN 2925-00-132-1280
NSN 5930-00-507-1303
NSN 5950-01-563-5709
NSN 5965-00-449-6974
NSN 5930-01-349-6312
NSN 5945-01-060-5791
NSN 5960-00-168-8388
NSN 5990-00-804-4982
NSN 6320-00-164-4087