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 5930-00-984-7597
NSN 5835-00-393-1996
NSN 6145-01-586-3861
NSN 5975-01-064-2868
NSN 6110-01-270-9042
NSN 6220-01-209-9972
NSN 2925-01-157-9204
NSN 6220-01-278-9822
NSN 5925-00-660-7589
NSN 5835-01-321-7895
NSN 6320-00-174-1362
NSN 6150-01-508-4947