To nut the connections didn’t loosen during operation of the device, usually put the second (jam nut) or enclose the washer Grover. If such is not at hand or you need to fix the little nut that hard to find a similar washer — rescue improvised, made of… sand paper. Cut out two circles and glue them non-abrasive sides. It remains to be drill — ready and washer.
Recommend to read
BURNER WITHOUT FIRE…
By analogy with existing devices for welding and brazing working "with the light", this device is also called a burner. However, it acts on the mating parts do not flame, and hot air...
DRYER TWO FLOORS
In boxes modern kitchen tables for knives, forks, and other instruments used in plastic box magazine with relevant partitions — compartments. Two such tapes and any subsidiary...