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 6150-01-605-0861
NSN 7035-00-483-8630
NSN 6240-00-203-7111
NSN 5975-01-560-0020
NSN 5855-00-288-1408
NSN 5915-01-633-9845
NSN 4140-01-070-2238
NSN 5915-00-186-9346
NSN 5998-00-439-1093
NSN 4140-00-148-7013
NSN 7035-00-153-3826
NSN 5910-00-629-8345