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 5855-00-532-0025
NSN 6220-00-292-3917
NSN 5990-00-583-9577
NSN 5835-01-399-5820
NSN 6320-00-186-6452
NSN 6620-01-298-8829
NSN 6320-01-145-9013
NSN 5996-01-240-5014
NSN 5998-00-488-5579
NSN 6320-01-123-6814
NSN 6610-01-222-7593
NSN 6145-00-441-2512