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 6240-01-499-8002
NSN 5930-01-396-5589
NSN 5895-01-215-1059
NSN 5920-01-104-4332
NSN 6320-01-438-6280
NSN 6620-01-513-8525
NSN 5965-01-360-0454
NSN 5999-01-607-8543
NSN 7035-00-337-8745
NSN 5945-00-954-0471
NSN 5975-00-379-2388
NSN 5935-01-599-2820