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 5920-01-257-0062
NSN 5915-00-162-1841
NSN 5895-01-138-9852
NSN 5905-01-581-9872
NSN 5985-01-500-1843
NSN 5920-01-657-3736
NSN 5960-00-174-1867
NSN 7035-01-169-6551
NSN 6130-01-652-1855
NSN 6220-01-207-7229
NSN 5835-01-178-4154
NSN 6105-01-061-9001