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 6130-00-939-8862
NSN 6110-01-140-8419
NSN 5996-00-417-9706
NSN 4140-01-271-1918
NSN 5895-00-229-7167
NSN 5985-01-386-5898
NSN 6240-00-813-6328
NSN 5910-01-344-2337
NSN 6320-00-106-7259
NSN 6130-01-263-0576
NSN 5925-01-102-9360
NSN 5920-01-133-5286