GN 5337.3 Safety star knobs Engaged after pushing


GN 5337.3 Safety star knobs, Plastic Material: NI - Stainless Steel
Material: NI - Stainless Steel
GN 5337.3 Safety star knobs, Plastic Material: NI - Stainless Steel GN 5337.3 Safety star knobs, Plastic Material: ST - Steel

Product description


Safety star knobs GN 5337.3 are most suitable for applications where an accidental or inconsiderate loosening or adjusting of the knob may lead to accidents.

In non-operative condition, the star knob is not linked with the threaded bushing, i.e. the knob can be turned easily.

Only after axial pushing of the star knob, the two serrations get engaged so that the knob can be untightened resp. tightened.

Atfer releasing, the two serrations are disengaged by a spring.


Knob Plastic
Technoplymer (Polyamide PA)
  • glas fiber reinforced
  • temperature resistant up to 130 °C
  • black, matte

Threaded bushing
  • SteelST
  • Stainless SteelNI
    AISI 303

Annular gear
Zinc die casting

RoHS compliant

On request

Types with colored cover caps available (standard color black)

Technical drawing

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GN 5337.3 Safety star knobs, Plastic sketch

Article options / Table

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40M 6M 813,51813,5301472,511
50M 8M 10162216,5341583,514

Build & Price


Handle diameter d1
Thread d2

Selected Part (How to order)

Weight: 0,024 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 compliant: Yes
This article conforms to RoHS, which means it complies with EU Directive 2011/65/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 150 Euro -> 10 % discount
from 250 Euro -> 20 % discount
from 350 Euro -> 30 % discount
All prices in accordance with our price list No. 51, valid from 1 February 2018, plus VAT only valid for Germany.

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