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 5930-01-264-8331
NSN 5920-00-983-8630
NSN 6145-01-277-6894
NSN 5905-00-396-0066
NSN 5960-00-455-0817
NSN 6105-01-090-9572
NSN 5945-01-104-3333
NSN 5915-01-472-2089
NSN 5975-00-203-8416
NSN 6620-01-389-3324
NSN 5910-01-392-7821
NSN 6145-00-610-6990