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 6650-00-342-6447
NSN 5945-00-121-3837
NSN 2925-01-244-3016
NSN 5990-00-146-3534
NSN 5985-01-577-4882
NSN 6620-01-365-1499
NSN 5895-01-449-3963
NSN 5935-01-252-4641
NSN 6135-01-280-0600
NSN 5960-00-229-1969
NSN 5930-00-951-9488
NSN 5950-00-436-7091