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 5920-00-636-4713
NSN 6645-01-445-5235
NSN 6645-01-364-4042
NSN 5920-01-655-7675
NSN 6145-00-078-9917
NSN 6220-00-888-7235
NSN 6130-00-944-9556
NSN 6110-01-459-7709
NSN 5855-01-096-9294
NSN 6105-01-525-7295
NSN 5935-01-200-0830
NSN 5998-01-270-9101