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 5985-01-454-5165
NSN 5930-00-240-4260
NSN 6150-01-251-2544
NSN 5965-00-518-0958
NSN 5835-01-157-5886
NSN 6620-01-348-1104
NSN 2925-01-333-6346
NSN 5998-00-184-8376
NSN 5905-01-485-8820
NSN 6110-00-504-1097
NSN 6130-01-352-6112
NSN 5915-01-493-3231