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 5930-00-138-3747
NSN 6150-01-044-6243
NSN 2925-01-197-7864
NSN 5999-01-157-3357
NSN 6650-00-445-6990
NSN 7035-01-277-6677
NSN 5998-00-228-6502
NSN 6105-01-055-4826
NSN 5965-00-493-6008
NSN 5920-00-592-7598
NSN 6320-01-233-5375
NSN 4140-01-142-3192