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 6150-01-431-0388
NSN 4140-00-798-9144
NSN 6645-01-056-9296
NSN 5895-01-508-4524
NSN 5998-01-643-6415
NSN 6685-01-530-0921
NSN 6610-01-545-2970
NSN 4140-01-237-0603
NSN 5965-00-702-7257
NSN 5835-01-493-1826
NSN 6685-01-559-6725
NSN 5855-01-419-5285