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 5945-01-475-1680
NSN 6620-01-443-3526
NSN 5905-00-863-5590
NSN 5855-01-618-9749
NSN 5950-00-198-8863
NSN 5960-00-097-7007
NSN 5990-01-633-9503
NSN 5998-01-384-8734
NSN 4140-00-408-9989
NSN 4140-01-634-0330
NSN 5996-00-797-6244
NSN 6320-01-166-3602