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 4140-01-600-6117
NSN 4140-00-410-2581
NSN 4140-01-163-5235
NSN 6220-01-497-4600
NSN 6105-00-420-9817
NSN 6220-01-490-3344
NSN 6220-01-653-0953
NSN 5950-01-530-2788
NSN 5835-01-515-6537
NSN 6145-01-077-4886
NSN 5930-01-531-4660
NSN 5920-01-219-5298