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 5996-00-163-1797
NSN 5915-00-406-3959
NSN 5996-01-305-1728
NSN 6110-00-679-8961
NSN 5925-01-268-7711
NSN 5925-01-447-7185
NSN 5950-01-600-7299
NSN 6220-00-804-3598
NSN 6620-01-168-8450
NSN 5930-00-076-1314
NSN 5998-00-834-7122
NSN 4140-00-674-2856