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 2925-00-120-9302
NSN 5960-01-563-6975
NSN 4140-01-341-9807
NSN 6240-01-364-4112
NSN 5985-00-612-2005
NSN 6320-00-908-6841
NSN 5965-01-142-7862
NSN 5935-00-579-5638
NSN 5920-01-320-7888
NSN 6150-00-323-8226
NSN 5925-00-827-0927
NSN 5920-01-214-0451