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 5925-01-634-0664
NSN 6620-01-546-4942
NSN 6610-01-381-0652
NSN 6135-00-377-9165
NSN 5985-01-040-3527
NSN 6650-00-891-9850
NSN 6105-01-092-1484
NSN 5835-00-074-3700
NSN 5975-00-019-4024
NSN 5975-01-514-7468
NSN 5985-00-456-3199
NSN 5975-00-504-8020