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 5910-00-240-1311
NSN 6130-01-488-9467
NSN 6240-00-334-6766
NSN 6645-01-357-3018
NSN 5935-01-246-2855
NSN 5910-01-534-2027
NSN 5910-00-288-1898
NSN 6220-01-123-9290
NSN 5855-01-451-2992
NSN 5950-00-141-5973
NSN 5999-00-954-5138
NSN 5910-01-062-8653