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 5990-00-110-1153
NSN 5945-01-208-5794
NSN 5935-01-512-1988
NSN 5935-00-604-9717
NSN 5950-00-833-2637
NSN 6650-01-500-7460
NSN 5985-01-459-3913
NSN 5910-00-619-8898
NSN 5935-00-176-2581
NSN 4140-01-517-3179
NSN 5975-00-970-5115
NSN 6610-01-163-7062