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 5998-01-471-8428
NSN 5999-01-293-2404
NSN 5905-01-407-2111
NSN 2925-01-236-3547
NSN 5999-01-351-4902
NSN 5960-01-114-0197
NSN 5895-00-770-7191
NSN 4140-00-109-5137
NSN 5915-01-212-7957
NSN 6145-00-557-9447
NSN 5935-01-349-9012
NSN 5925-00-799-5669