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 6610-01-258-7059
NSN 4140-01-654-1341
NSN 6105-00-852-8197
NSN 5915-01-229-4715
NSN 5905-01-352-4157
NSN 6650-01-144-2509
NSN 5999-01-053-9931
NSN 5996-01-266-8706
NSN 5945-01-217-6081
NSN 5905-00-225-8886
NSN 6135-01-493-2912
NSN 6620-00-905-6590