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 5935-01-148-3972
NSN 5998-01-384-0420
NSN 5905-01-536-2989
NSN 5990-00-593-5089
NSN 7035-01-352-6235
NSN 5996-01-141-6916
NSN 5920-01-295-1268
NSN 4140-00-521-0380
NSN 6110-01-019-7987
NSN 6320-00-225-7013
NSN 6320-01-180-9908
NSN 5910-01-633-9963