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 2925-00-010-9609
NSN 6240-00-300-9883
NSN 5996-01-314-9048
NSN 5835-01-045-6371
NSN 6145-00-261-4527
NSN 6610-01-202-4718
NSN 5930-00-588-9687
NSN 6110-01-282-4687
NSN 5855-01-437-6161
NSN 5998-01-440-7109
NSN 7035-00-897-7567
NSN 7035-01-236-5743