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 5935-00-428-1817
NSN 6240-00-803-2777
NSN 6620-00-900-3986
NSN 5930-00-806-9050
NSN 5915-01-400-1989
NSN 5930-01-241-3657
NSN 5910-01-536-9965
NSN 7035-00-455-7666
NSN 5960-01-530-0581
NSN 6620-00-990-3385
NSN 5999-00-549-1331
NSN 6645-01-370-4259