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 5835-01-039-6993
NSN 5990-00-932-3070
NSN 5895-01-120-2360
NSN 6220-00-991-8280
NSN 6650-01-105-5608
NSN 4140-01-534-9987
NSN 6650-01-522-0075
NSN 5915-01-400-6125
NSN 7035-01-443-3052
NSN 5945-01-558-5141
NSN 5996-01-632-7273
NSN 6110-01-201-5539