Rotary switches are unique in that they operate with a twisting motion as opposed to a push or press motion.

The central shaft of a rotary device must be free to rotate, which can make sealing a rotary device more complicated to accomplish. Since a full-coverage boot does not work for a rotary device, APM Hexseal developed a specialized open boot, molded from silicone to a threaded mounting nut, that, once correctly mounted, seals around the rotating shaft as well as to the mounting panel. These boots are specifically designed to withstand the friction created by the shaft rotation without restricting the actuation motion.

Material Specifications.

For APM Hexseal® Standard Threaded Pushbutton Boots

• Mounting Nut: Brass, Nickel Plated
• Elastomer: Silicone conforms to A-A-59588, Class 3A, GR50 †, Gray ‡
• Temperature Range: -103° F to +400° F ( -75° C to +204° C)
• Resistant to: Splash, salt spray, sunlight, ozone, weather, fungus, dust, and most acids and lubricating oils.
• Shelf Life: Excess of 25 years.

Part Numbers

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APM Hexseal Part #	Thread Size	Shaft Size (A)		Height (B)		Hex Size (C)		System of Measurement
N9030x1/4 (M5423/09-02)	3/8-32 UNEF-2B	0.250"	6.35mm	0.219"	5.56mm	0.500"	12.70mm	Imperial
N9040x1/8 (M5423/09-03)	1/4-32 UNEF-2B	0.125"	3.18mm	0.219"	5.56mm	0.375"	9.53mm	Imperial
N9042x1/8	1/4-28 UNF-2B	0.125"	3.18mm	0.219"	5.56mm	0.375"	9.53mm	Imperial
N9060x1/4 (M5423/09-04)	15/32-32 UNS-2B	0.250"	6.35mm	0.219"	5.56mm	0.625"	15.88mm	Imperial
1332/39	M7x.75 6H	0.196"	5.00mm	0.200"	5.50mm	0.500"	12.70mm	Metric
1332/45	M10x1 6H	0.236"	6.00mm	0.236"	5.90mm	0.500"	12.70mm	Metric
1332/46	M10x.75 6H	0.236"	6.00mm	0.236"	5.90mm	0.500"	12.70mm	Metric
C1332/41	M9x.75 6H	0.250"	6.35mm	0.219"	5.56mm	0.500"	12.70mm	Metric

Documents and Downloads

Document	File Type	File Size	Download
Short Catalog Datasheet	PDF	1.3 MB

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