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 5935-00-754-7727
NSN 5985-00-141-9036
NSN 5915-01-313-1625
NSN 5895-01-301-0081
NSN 5925-00-067-3814
NSN 5996-01-308-7987
NSN 6105-01-380-6396
NSN 5998-01-051-2198
NSN 4140-01-146-4474
NSN 5998-01-567-2178
NSN 6220-01-094-5551
NSN 4140-01-528-8237