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 4140-01-037-1867
NSN 6150-01-382-0524
NSN 6130-01-642-7326
NSN 6110-01-633-9660
NSN 6620-01-223-9025
NSN 6110-01-093-4070
NSN 5895-01-072-5583
NSN 6130-01-483-4043
NSN 6650-00-917-0436
NSN 6240-01-144-1334
NSN 5999-00-550-8306
NSN 6130-01-519-6239