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 5996-01-472-2112
NSN 5855-00-973-5717
NSN 6645-01-212-9474
NSN 6685-01-386-1887
NSN 5935-01-400-4169
NSN 6320-01-006-6138
NSN 5930-01-611-7402
NSN 6105-01-367-6005
NSN 5835-00-529-6307
NSN 5998-00-620-7311
NSN 5999-01-241-1098
NSN 4140-01-519-9343