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 6620-01-135-0992
NSN 5960-00-846-6619
NSN 6150-00-285-6946
NSN 6320-01-564-0893
NSN 5998-01-087-1512
NSN 5855-01-426-5589
NSN 5895-00-061-1071
NSN 2925-00-698-4882
NSN 5999-00-144-7698
NSN 6110-01-370-0584
NSN 5999-01-579-4857
NSN 7035-01-487-6481