jam nut


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jam nut

[′jam ‚nət]
(design engineering)
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With the gun empty, the safety engaged, and the stock off the action, loosen the jam nut (#51) on the trigger housing.
The jam nut is steel with a black oxide finish, while the plastic sleeve is matte black glass fiber-reinforced nylon plastic, not removable.
The unused sleeve nut may be screwed forward as a jam nut to lock the two connectors in place.
To lock the barrel in position, the retaining or jam nut, touched with a bit of Loctite, is screwed up and tightened against the face of the receiver ring with a $5 spanner wrench (M16 stock tool) that Seidel sells.
They mount to a motor using its servo clamps, and their hollow shafts are coupled to the motor shaft using the jam nut on the top of the motor shaft.
This AD requires inspection of the small jam nut on the elevator tab control rods to detect inspection putty and to determine its condition; a torque check of the small and large jam nuts on the tab control rod, if necessary; and corrective actions as applicable.
In the double nut pin and plate ejection system, which utilizes a hex and jam nut on each side of the ejector plate, nuts tend to become loose, requiring maintenance.
Easier mounting--The encoders employ a special configuration that makes them drop-in replacements for resolvers; they mount to a motor using its servo clamps, and their hollow shafts are coupled to the motor shaft using the jam nut on the top of the motor shaft.
The jam nut, the lock nut and the safety wire were still attached to the clevis threads and free to rotate.
But even then the job isn't complete until you check to make sure all the rods have the right amount of sealing compound, NSN 8030-00-174-2599, at the top where the jam nut is.
The product is available as a plug, flange, jam nut or cable-to-cable connector varieties.
The bracket when properly installed with one nut and one washer on each side of the bracket as shown in the exploded view in the TM will provide the desired jam nut effect to prevent the nuts from working loose due to vibration.