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 5935-00-270-1271
NSN 2925-00-497-7808
NSN 2925-01-146-0278
NSN 7035-01-314-7559
NSN 5945-01-194-2587
NSN 5998-01-421-2773
NSN 5975-01-598-3707
NSN 5920-01-645-2160
NSN 5915-01-166-7999
NSN 2925-00-947-9814
NSN 5965-00-639-6621
NSN 4140-00-448-4306