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 5910-00-489-1456
NSN 6620-00-959-6614
NSN 5999-01-359-3255
NSN 6645-01-370-4259
NSN 5855-01-291-6790
NSN 5855-00-179-8588
NSN 5930-01-605-2713
NSN 6320-01-434-6861
NSN 5930-01-519-3368
NSN 6105-01-148-1679
NSN 6240-01-227-4178
NSN 5915-00-338-3375