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 5996-00-910-0255
NSN 5996-01-192-5594
NSN 5915-01-097-4296
NSN 5945-01-317-6728
NSN 6220-01-349-0486
NSN 5930-00-594-9442
NSN 5895-00-958-2011
NSN 5960-01-425-1454
NSN 6240-01-432-7926
NSN 6685-01-172-5363
NSN 5935-00-819-6959
NSN 6110-01-227-2617