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 6320-00-500-4172
NSN 5920-00-957-4898
NSN 2925-01-443-1748
NSN 5990-00-010-1413
NSN 5895-00-233-4170
NSN 5996-01-133-7707
NSN 5999-01-582-8073
NSN 5855-01-325-9507
NSN 5910-01-229-1124
NSN 5960-01-546-2379
NSN 6150-00-603-4781
NSN 5915-01-160-8175