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 6130-01-352-6112
NSN 4140-01-574-6740
NSN 5990-00-064-7839
NSN 5975-00-111-3208
NSN 6110-00-943-9479
NSN 5960-01-487-6436
NSN 5895-01-146-1830
NSN 6650-01-226-4819
NSN 2925-00-329-9227
NSN 6130-00-523-9210
NSN 6620-01-314-3635
NSN 5915-00-405-8867