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 5985-01-491-5194
NSN 5950-01-289-9869
NSN 6685-01-334-7568
NSN 6105-00-605-7660
NSN 6145-01-059-4910
NSN 6135-00-412-1687
NSN 5998-01-478-7394
NSN 5996-01-447-4276
NSN 6620-01-317-7849
NSN 6650-01-657-5108
NSN 6135-00-557-8874
NSN 6320-00-164-4087