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 6610-01-152-2821
NSN 6610-01-101-1927
NSN 6240-01-152-2662
NSN 5905-01-443-6830
NSN 5905-01-031-9838
NSN 5990-01-561-0737
NSN 5925-01-487-6456
NSN 5895-00-513-0249
NSN 6150-01-408-6887
NSN 6150-01-526-1869
NSN 6220-01-003-9126
NSN 6650-00-707-1417