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 6150-00-246-2425
NSN 5990-01-486-2556
NSN 6320-00-284-1524
NSN 5975-01-264-8709
NSN 5910-00-515-3586
NSN 6130-01-107-2547
NSN 6320-01-102-0799
NSN 5895-01-579-7721
NSN 5990-01-395-4194
NSN 5935-01-590-9171
NSN 6645-00-963-6354
NSN 5965-01-408-1303