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 6645-00-873-4642
NSN 5945-01-212-7912
NSN 7035-01-248-3433
NSN 5950-00-141-9602
NSN 5998-01-502-7043
NSN 6320-01-585-8468
NSN 5835-01-174-7700
NSN 7035-01-287-9817
NSN 5996-00-518-4880
NSN 5998-00-591-9125
NSN 5990-01-204-7576
NSN 6130-01-489-6141