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 6645-01-042-4220
NSN 5835-01-416-6449
NSN 5920-01-088-8312
NSN 5998-01-196-0032
NSN 5960-00-835-1181
NSN 5835-00-930-8500
NSN 5998-00-713-9712
NSN 6220-01-545-7153
NSN 4140-01-634-0330
NSN 6145-01-251-6429
NSN 5985-01-452-7969
NSN 6650-01-609-6781