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 2925-01-257-6225
NSN 6150-01-431-7624
NSN 6110-00-141-1966
NSN 5835-01-297-1909
NSN 5915-01-223-5869
NSN 5935-01-608-3355
NSN 6130-01-178-5143
NSN 5990-01-529-7307
NSN 6220-00-049-7834
NSN 5960-01-245-3942
NSN 6150-01-095-4581
NSN 6645-01-148-3613