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 5990-01-124-9063
NSN 5915-01-240-9518
NSN 5990-00-681-2789
NSN 5925-01-452-3858
NSN 5935-01-368-1046
NSN 5935-01-651-7709
NSN 6620-00-004-1374
NSN 5965-00-493-6008
NSN 6220-01-278-9369
NSN 5999-01-483-4741
NSN 6240-01-429-9002
NSN 5910-00-751-9581