GN 5910 Torque limiting knob screws with adjustable torque


ELESA original design
code: MZD

Product description


Torque limiting knob screws GN 5910 are used when the manually applied torque is to be limited. The torque limit can be set between 0.2 Nm and 1 Nm.

When turned clockwise, the torque of the wing nuts triggers an “over-engagement” as soon as the specified torque is reached. When tightening, this will ensure that the maximum permissible torque is not exceeded. When turned counterclockwise, the mechanism locks such that the torque necessary for releasing is transmitted.

Endurance tests have shown that the torque does not change even after up to 60,000 tightening cycles.


Technopolymer (Polyamide PA)
  • glass fiber reinforced
  • temperature resistant up to 80 °C
  • black, matteSWSW

Threaded stud
Steel, blackened

Color of the cover cap
gray, RAL 7035


Technical drawing

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GN 5910 Torque limiting knob screws, with adjustable torque sketch

Article options / Table

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d1d3Length ld4d5h1h2h3tmax. torque ±10%
in Nm
47M 63093944150,3101
47M 840123944150,3121

Build & Price


Thread d3
Length l
max. torque in Nm

Adjustment of the torque

To adjust the torque, the cap of the torque liniting knob is removed to access the adjustment mechanism and to disengage the locking of the torque setting.

The torque is set with the hexagon socket bolt in the center of the knob. The graduated dial moves in the axial direction, increasing or decreasing the torque limit.

The set torque value is indicated on the graduated dial. Depending on the torque value, the slanted surfaces of the indicator window are level with the graduation marks of the graduated dial. After setting the torque, the cap must be reattached. This locks the torque setting and protects the adjusting mechanism from unauthorized access.

Selected Part (How to order)

Weight: 0,100 kg
If this article is new in our product range, it may happen that details concerning weight are as yet not listed.
If you do need weight details, please contact our Sales Department!
Phone+49 7723 6507 - 0
RoHS: Yes
This article is RoHS-compliant in application of Annex III., which means it complies with EU Directive 2011/65/EU, including extension (2015/863/EU), for restricting the use of certain hazardous substances in electrical and electronic devices. The Directive regulates the use of hazardous substances in devices and components. The implementation in national law is summarily described with RoHS(Restriction of (the use of certain) hazardous substances)).
Please note our quantity discounts.
With a total value (net) per order:
from 175,00 Euro -> 10 % discount
from 275,00 Euro -> 20 % discount
from 375,00 Euro -> 30 % discount
With a total value (net) per order:
All prices in accordance with our price list No. 52, valid from 1 May 2019, plus VAT only valid for Germany.

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