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 5855-01-109-1807
NSN 6150-01-158-7677
NSN 5930-01-646-8239
NSN 6650-01-209-6318
NSN 6240-01-207-8056
NSN 2925-01-442-4171
NSN 5960-00-489-2805
NSN 6650-00-310-8786
NSN 5975-00-178-1584
NSN 6645-01-023-8020
NSN 6645-01-499-1434
NSN 7035-01-258-7661