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RAM 4 Pin-Lock™ Security Nut and Key Knob for 2.25"/3.38" Diameter D/E Size Arms

The RAP-S-NUT5-4 consists of a 1/2"-20 female threaded security nut and key knob. The RAP-S-NUT5-4 replaces all knobs on 2.25"/3.38" diameter D/E size arms and mounts. The RAP-S-NUT5-4 offers the ideal amount of leverage to properly tighten your mount to prevent slippage in heavy chop or in extreme vibration environments. With an emphasis on aesthetics and function, the RAP-S-NUT5-4 is low in profile and only adds a small amount of additional bulk to your system when compared to the standard knob included. At a fraction of the cost of currently available keyed locking knobs, the additional peace of mind and tamper resistance comes at a very affordable price. The RAP-S-NUT5-4 is the perfect accessory for keeping your mounted electronic device safe from theft and tampering.

Patent Pending

Compatible Mounts and Arms

RAM-D-111U-C
RAM D Size 2.25" Diameter Ball Mount with 11" X 3" Rectangle Plate, & 3....
$110.49
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RAM-D-111U
RAM D Size 2.25" Diameter Ball Mount with 3.68" Round Plate, Medium Leng...
$131.99
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RAM-D-111U-E
RAM D Size 2.25" Diameter Ball Mount with 3.68" Round Plate, Long Length...
$151.99
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RAM-D-201U-C
RAM Short Length Double Socket Arm for D Size 2.25" Balls
$43.99
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RAM-D-201U
RAM Medium Length Double Socket Arm for D Size 2.25" Balls
$65.49
Add to Cart
RAM-D-201U-E
RAM Long Length Double Socket Arm for D Size 2.25" Balls
$85.99
Add to Cart
RAM-E-111U
RAM 3.38" Diameter Ball Mount with 11" X 3" Rectangle Base, & 3.68" Roun...
$257.99
Add to Cart
RAM-E-111U-D
RAM 3.38" Diameter Ball Mount with Short Double Socket Arm, 11" X 3" Rec...
$215.99
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RAM-E-201U
RAM Double Socket Arm for 3.38" Balls
$145.99
Add to Cart
RAM-E-201U-D
RAM Short Double Socket Arm for 3.38" Balls
$99.49
Add to Cart

Specs & Features

Material:
High Strength Composite

Note:
Part number reflects product packaged in clear clam shell for store shelf display. Mount not included with purchase.

Recommendations:
For an extra tight grip, RAM recommends the RAM-KNOB9HU Hi-Torq™ wrench. For larger ‘D’ size mounting solutions, RAM® utilizes a larger knob that offers the ideal amount of leverage to properly tighten your mount to prevent slippage in heavy chop or in extreme vibration environments. Use the cold weather wrench to tighten the mount for optimal performance. Aftermarket locking knobs are not capable of tightening the RAM® Mount to the required tension to perform in high vibration applications. The addition of an aftermarket knob will make the mount not compatible with the cold weather wrench and will not be able to tighten properly.

Weight:
0.21 lbs.

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