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 5950-01-258-6776
NSN 5965-01-210-7784
NSN 6620-00-189-0967
NSN 6620-01-503-2667
NSN 5999-01-578-6536
NSN 4140-01-629-4513
NSN 5996-01-441-7910
NSN 5990-01-140-5497
NSN 6110-00-312-8525
NSN 5950-01-062-9178
NSN 6320-01-149-8865
NSN 5910-00-025-6277