packing nut

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Noun1.packing nut - a nut used to tighten a stuffing boxpacking nut - a nut used to tighten a stuffing box
nut - a small (usually square or hexagonal) metal block with internal screw thread to be fitted onto a bolt
packing box, stuffing box - a small chamber in which packing is compressed around a reciprocating shaft or piston to form a seal
References in periodicals archive ?
Contract awarded for packing nut to drg.No.4730-006814.
Hold the valve with a pliers, loosen the packing nut and unscrew the entire valve stem.
* Packing nut socket wrenches--are available in sets and fit nearly all tub and shower valves.
Tap the ring back into place in the groove of the packing nut.
Dry or loose fluid needle packing nut -- _ Lubricate or tighten
Remove the packing nut by turning it counter@clockwise (Fig.
(B) The packing nut holds the packing seal tightly around the valve stem.
Item No.5: Erection and hoisting in position and jointing testing GI/MS/CIDF Pipe and specials in vertical position including cost of all a jointing materials (Rubber packing nut bolts etc) labour scaffolding hydraulic testing etc complete.
The solution is simple and almost always works: Just tighten the packing nut, which seals around the stem.
If your shutoff valve is stuck open, you can often free it by loosening the packing nut slightly.
Many shut-off valves have a packing nut or packing material that surrounds the valve stem.
You'll get some water spray once you loosen the packing nut, so move anything you care about away from the meter area.