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 5999-00-327-1992
NSN 6320-01-092-4101
NSN 5855-01-272-3660
NSN 6320-01-139-0533
NSN 5945-01-280-9694
NSN 5895-01-040-4591
NSN 5920-00-422-5517
NSN 5998-01-548-2825
NSN 5895-00-516-9357
NSN 6645-01-529-5690
NSN 5895-00-036-8524
NSN 5935-01-640-6353