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 5920-01-618-5056
NSN 5975-00-348-7427
NSN 6150-00-931-5481
NSN 5950-00-229-3979
NSN 5950-01-317-7726
NSN 5910-01-186-3794
NSN 6145-01-374-9885
NSN 5950-01-392-3255
NSN 5855-00-688-9954
NSN 5990-01-089-2652
NSN 5960-00-422-0578
NSN 5999-01-424-2638