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 6150-00-629-9371
NSN 4140-01-077-3981
NSN 5996-00-543-1566
NSN 6320-01-227-2648
NSN 6320-01-416-9357
NSN 5998-01-371-0848
NSN 6610-00-144-7036
NSN 6220-01-272-2532
NSN 5999-01-092-9579
NSN 5855-01-050-0861
NSN 6220-01-394-9792
NSN 5985-01-181-5609