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 5945-00-961-2192
NSN 5999-01-427-3702
NSN 4140-00-690-5288
NSN 5930-00-723-9956
NSN 7035-01-229-5830
NSN 5935-01-490-2703
NSN 6620-01-431-9176
NSN 6220-01-044-5552
NSN 5996-00-313-9180
NSN 5935-00-468-6074
NSN 2925-01-205-4584
NSN 5960-00-219-6148