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 6650-00-078-5773
NSN 5835-01-616-6131
NSN 6620-00-904-2139
NSN 5915-01-381-1255
NSN 6110-00-212-9130
NSN 5945-00-083-6778
NSN 5996-01-433-2777
NSN 5920-01-197-0261
NSN 4140-01-292-7854
NSN 5915-00-811-1128
NSN 6685-01-510-5377
NSN 5960-01-536-9763