GN 5337.3 Safety Five-Lobed Knobs Technopolymer Plastic, with Threaded Stud, Push to Engage

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Material: NI - Stainless steel

GN 5337.3 Technopolymer Plastic Safety Five-Lobed Knobs, with Threaded Stud, Push to Engage Material: ST - Steel

Product Family Stainless Steel

Standard parts made of rustproof stainless steel have been designed for use in the food sector, in the chemical industry, for aggressive ambient conditions or for outdoor use.

corrosion-resistant
precise fit
environmentally friendly

Show all Stainless Steel products

Standard Sheet GN 5337.3 Print This Page Plastic Characteristics Stainless Steel Characteristics

Product description

Information

GN 5337.3 safety five-lobed knobs are best suited for applications where any unintended loosening of the knob may lead to accidents.

In non-operative mode, the lobe knob is not engaged with the tapped insert; i.e., the knob can be turned easily. Only after axial pushing of the knob does the knob engage with the insert, so that it may be tightened or loosened. After release, the serrations disengage by means of a spring.

The five lobe design is visually appealing and also gives the operator the means to achieve higher torque.

Resistant to solvents, oils, grease and other chemical agents.

Specification

Five-lobed knob
Plastic
Technopolymer (Polyamide PA)

Glass fiber reinforced
Temperature resistant up to 266 °F (130 °C)
Black, matte finish

Color of the cover cap
Black, RAL 9005, matte finish

Threaded stud

SteelST, blackened finish
Stainless steelNI AISI 303
(only available in metric sizes)

Annular gear
Zinc die-cast

RoHS compliant

On request

Cover caps in other colors
Inch versions with stainless steel insert

Technical drawing

GN 5337.3 Technopolymer Plastic Safety Five-Lobed Knobs, with Threaded Stud, Push to Engage sketch

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Part Options / Table

Part Number ST - Steel	Part Number NI - Stainless steel	d₁	d₂ Thread	Length l	d₃	d₄	d₅	h₁	h₂	h₃	h₄ Stroke


3T12CN1K		1.57	1/4 x 20	0.47	0.53	0.71	0.53	1.18	0.55	0.28	0.10
3T16CN1K		1.57	1/4 x 20	0.63	0.53	0.71	0.53	1.18	0.55	0.28	0.10
3T20CN1K		1.57	1/4 x 20	0.79	0.53	0.71	0.53	1.18	0.55	0.28	0.10
3T25CN1K		1.57	1/4 x 20	0.98	0.53	0.71	0.53	1.18	0.55	0.28	0.10
3T32CN1K		1.57	1/4 x 20	1.26	0.53	0.71	0.53	1.18	0.55	0.28	0.10
5T16CN1K		1.57	5/16 x 18	0.63	0.53	0.71	0.53	1.18	0.55	0.28	0.10
5T20CN1K		1.57	5/16 x 18	0.79	0.53	0.71	0.53	1.18	0.55	0.28	0.10
5T25CN1K		1.57	5/16 x 18	0.98	0.53	0.71	0.53	1.18	0.55	0.28	0.10
5T32CN1K		1.57	5/16 x 18	1.26	0.53	0.71	0.53	1.18	0.55	0.28	0.10
5T40CN1K		1.57	5/16 x 18	1.57	0.53	0.71	0.53	1.18	0.55	0.28	0.10
5T45CN1K		1.57	5/16 x 18	1.77	0.53	0.71	0.53	1.18	0.55	0.28	0.10
5T50CN1K		1.57	5/16 x 18	1.97	0.53	0.71	0.53	1.18	0.55	0.28	0.10
5T63CN1K		1.57	5/16 x 18	2.48	0.53	0.71	0.53	1.18	0.55	0.28	0.10
6T16CN1K		1.57	3/8 x 16	0.63	0.53	0.71	0.53	1.18	0.55	0.28	0.10
6T20CN1K		1.57	3/8 x 16	0.79	0.53	0.71	0.53	1.18	0.55	0.28	0.10
6T25CN1K		1.57	3/8 x 16	0.98	0.53	0.71	0.53	1.18	0.55	0.28	0.10
6T32CN1K		1.57	3/8 x 16	1.26	0.53	0.71	0.53	1.18	0.55	0.28	0.10
6T40CN1K		1.57	3/8 x 16	1.57	0.53	0.71	0.53	1.18	0.55	0.28	0.10
6T45CN1K		1.57	3/8 x 16	1.77	0.53	0.71	0.53	1.18	0.55	0.28	0.10
6T50CN1K		1.57	3/8 x 16	1.97	0.53	0.71	0.53	1.18	0.55	0.28	0.10
6T63CN1K		1.57	3/8 x 16	2.48	0.53	0.71	0.53	1.18	0.55	0.28	0.10
5337.3-50-5/16X18-16-ST		1.97	5/16 x 18	0.63	0.63	0.87	0.65	1.34	0.59	0.31	0.14
5337.3-50-5/16X18-20-ST		1.97	5/16 x 18	0.79	0.63	0.87	0.65	1.34	0.59	0.31	0.14
5337.3-50-5/16X18-25-ST		1.97	5/16 x 18	0.98	0.63	0.87	0.65	1.34	0.59	0.31	0.14
5337.3-50-5/16X18-32-ST		1.97	5/16 x 18	1.26	0.63	0.87	0.65	1.34	0.59	0.31	0.14
5337.3-50-5/16X18-40-ST		1.97	5/16 x 18	1.57	0.63	0.87	0.65	1.34	0.59	0.31	0.14
5337.3-50-5/16X18-45-ST		1.97	5/16 x 18	1.77	0.63	0.87	0.65	1.34	0.59	0.31	0.14
5337.3-50-5/16X18-50-ST		1.97	5/16 x 18	1.97	0.63	0.87	0.65	1.34	0.59	0.31	0.14
6T16CN2K		1.97	3/8 x 16	0.63	0.63	0.87	0.65	1.34	0.59	0.31	0.14
6T20CN2K		1.97	3/8 x 16	0.79	0.63	0.87	0.65	1.34	0.59	0.31	0.14
6T25CN2K		1.97	3/8 x 16	0.98	0.63	0.87	0.65	1.34	0.59	0.31	0.14
6T32CN2K		1.97	3/8 x 16	1.26	0.63	0.87	0.65	1.34	0.59	0.31	0.14
6T40CN2K		1.97	3/8 x 16	1.57	0.63	0.87	0.65	1.34	0.59	0.31	0.14
6T45CN2K		1.97	3/8 x 16	1.77	0.63	0.87	0.65	1.34	0.59	0.31	0.14
6T50CN2K		1.97	3/8 x 16	1.97	0.63	0.87	0.65	1.34	0.59	0.31	0.14
8T16CN2K		1.97	1/2 x 13	0.63	0.63	0.87	0.65	1.34	0.59	0.31	0.14
8T20CN2K		1.97	1/2 x 13	0.79	0.63	0.87	0.65	1.34	0.59	0.31	0.14
8T25CN2K		1.97	1/2 x 13	0.98	0.63	0.87	0.65	1.34	0.59	0.31	0.14
8T32CN2K		1.97	1/2 x 13	1.26	0.63	0.87	0.65	1.34	0.59	0.31	0.14
8T40CN2K		1.97	1/2 x 13	1.57	0.63	0.87	0.65	1.34	0.59	0.31	0.14
8T45CN2K		1.97	1/2 x 13	1.77	0.63	0.87	0.65	1.34	0.59	0.31	0.14
8T50CN2K		1.97	1/2 x 13	1.97	0.63	0.87	0.65	1.34	0.59	0.31	0.14
6N20CN1K	5337.3-40-M6-20-NI	1.57	M 6	0.79	0.53	0.71	0.53	1.18	0.55	0.28	0.10
8N20CN1K	5337.3-40-M8-20-NI	1.57	M 8	0.79	0.53	0.71	0.53	1.18	0.55	0.28	0.10
6N25CN1K	5337.3-40-M6-25-NI	1.57	M 6	0.98	0.53	0.71	0.53	1.18	0.55	0.28	0.10
8N25CN1K	5337.3-40-M8-25-NI	1.57	M 8	0.98	0.53	0.71	0.53	1.18	0.55	0.28	0.10
6N32CN1K	5337.3-40-M6-32-NI	1.57	M 6	1.26	0.53	0.71	0.53	1.18	0.55	0.28	0.10
8N32CN1K	5337.3-40-M8-32-NI	1.57	M 8	1.26	0.53	0.71	0.53	1.18	0.55	0.28	0.10
6N40CN1K	5337.3-40-M6-40-NI	1.57	M 6	1.57	0.53	0.71	0.53	1.18	0.55	0.28	0.10
8N40CN1K	5337.3-40-M8-40-NI	1.57	M 8	1.57	0.53	0.71	0.53	1.18	0.55	0.28	0.10
8N25CN2K	5337.3-50-M8-25-NI	1.97	M 8	0.98	0.63	0.87	0.65	1.34	0.59	0.31	0.14
10N25CN2K	5337.3-50-M10-25-NI	1.97	M 10	0.98	0.63	0.87	0.65	1.34	0.59	0.31	0.14
8N32CN2K	5337.3-50-M8-32-NI	1.97	M 8	1.26	0.63	0.87	0.65	1.34	0.59	0.31	0.14
10N32CN2K	5337.3-50-M10-32-NI	1.97	M 10	1.26	0.63	0.87	0.65	1.34	0.59	0.31	0.14
8N40CN2K	5337.3-50-M8-40-NI	1.97	M 8	1.57	0.63	0.87	0.65	1.34	0.59	0.31	0.14
10N40CN2K	5337.3-50-M10-40-NI	1.97	M 10	1.57	0.63	0.87	0.65	1.34	0.59	0.31	0.14
8N50CN2K	5337.3-50-M8-50-NI	1.97	M 8	1.97	0.63	0.87	0.65	1.34	0.59	0.31	0.14
10N50CN2K	5337.3-50-M10-50-NI	1.97	M 10	1.97	0.63	0.87	0.65	1.34	0.59	0.31	0.14

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Inch

Dimensions in: Inch (change to Metric)

d₁	d₂ Thread			Length l								d₃	d₄	d₅	h₁	h₂	h₃	h₄ Stroke

1.57	1/4 x 20	-	-	0.47	0.63	0.79	0.98	1.26	-	-	-	0.53	0.71	0.53	1.18	0.55	0.28	0.10
1.57	5/16 x 18	3/8 x 16	-	0.63	0.79	0.98	1.26	1.57	1.77	1.97	2.48	0.53	0.71	0.53	1.18	0.55	0.28	0.10
1.97	5/16 x 18	3/8 x 16	1/2 x 13	0.63	0.79	0.98	1.26	1.57	1.77	1.97	-	0.63	0.87	0.65	1.34	0.59	0.31	0.14