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 6220-01-341-5322
NSN 6620-00-113-9145
NSN 6145-01-288-7960
NSN 5990-01-223-6321
NSN 4140-01-512-3270
NSN 5930-01-308-8532
NSN 6650-00-932-2048
NSN 6105-01-516-7145
NSN 5950-01-178-2226
NSN 5960-01-369-8666
NSN 7035-01-392-9838
NSN 5999-00-801-9331