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 5945-01-314-8043
NSN 5920-00-681-6464
NSN 5930-01-242-6443
NSN 6610-01-587-1803
NSN 5835-01-011-3000
NSN 2925-01-030-6580
NSN 5945-01-511-7182
NSN 6610-01-240-3427
NSN 6150-01-006-8617
NSN 6240-00-389-4822
NSN 6685-01-552-8769
NSN 7035-00-727-4068