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 4140-00-170-5152
NSN 5990-00-724-8812
NSN 6650-01-515-9396
NSN 5930-01-054-3488
NSN 6135-01-626-6325
NSN 6650-00-650-1683
NSN 6645-00-907-1165
NSN 5950-01-611-1917
NSN 5905-00-003-2981
NSN 6240-01-520-5539
NSN 5965-01-265-2980
NSN 5965-01-117-2566