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 6220-00-314-9680
NSN 5990-01-063-2532
NSN 6320-01-149-2808
NSN 5925-00-011-7011
NSN 6685-00-360-8111
NSN 6650-01-651-6221
NSN 4140-01-067-8986
NSN 6650-01-632-0806
NSN 5950-01-369-9476
NSN 5975-00-290-4285
NSN 5915-00-988-6186
NSN 5905-01-492-3968