Grayhill Inc.

Grayhill Inc. is a leading manufacturer of precision electromechanical components including optical and mechanical encoders, rotary switches, joysticks, and custom human-machine interface solutions for demanding industrial applications.

Series List(1103)

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Series	Category	# Parts	Status	Description

-	Switches	1	Active
02Circuit Board Hardware - PCB Hardware Standard insulated	Test Points	2	Active	Circuit Board Hardware - PCB Hardware Standard insulated
04JJoysticks ASM,JOYSTICK,4WAY,SL	Switches	1	Active	Joysticks ASM,JOYSTICK,4WAY,SL
04J-AP	Switches	3	Active
04J-AS	Navigation Switches, Joystick	2	Active
04J-BP	Switches	1	Active
04J-BS	Navigation Switches, Joystick	3	Active
04Z3008	Switches	1	Active
05001	Rotary Switches	6	Active
05004	Switches	1	Active

Series	Category	# Parts	Status	Description

Standalone parts(6931)

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Part	Category	Description
Grayhill Inc. 02-20	Test and Measurement	TEST JACK, PANELS UP TO 0.25" THICK 0.406" WIDE,0.719" ABOVE BOARD
Grayhill Inc. 02-21	Connectors Interconnects	CONN BANANA PLUG SOLDER
Grayhill Inc. 02-24	Test and Measurement	PC TEST POINT MINIATURE
Grayhill Inc. 02-41	Test and Measurement	PC TEST POINT MINIATURE
Grayhill Inc. 02-42	Test and Measurement	PC TEST POINT MINIATURE
Grayhill Inc. 02-60	Test and Measurement	PC TEST POINT BANANA
Grayhill Inc. 02L1008-1	Switches	PUSH POST
Grayhill Inc. 04A	Switches	JOYSTICKS 4DIRECTION 250MA 220VAC 500000CYCLES
Grayhill Inc. 04A-B01	Switches	SWITCH NAVIGATION BAT 250MA 115V
Grayhill Inc. 04A-K01	Switches	SWITCH NAV KEYCAP 250MA 115V

Part	Spec A	Spec B	Spec C	Spec D	Description

Grayhill Inc., founded in 1943 and headquartered in La Grange, Illinois, is a specialized manufacturer of precision electronic components and custom operator interface solutions. The company has built a strong reputation for delivering high-quality switches, encoders, and human-machine interface (HMI) products that meet the demanding requirements of aerospace, defense, medical, and industrial applications.

Grayhill's comprehensive product portfolio includes:

Optical and mechanical encoders
Rotary switches (single-deck and multi-deck configurations)
Joysticks and touch encoders
Surface mount and thru-hole DIP switches
Toggle switches and custom keypads
I/O modules and mounting racks

Known for their Touch Encoder technology that combines touchscreen, keypad, and rotary switch functionality into a single IP67-sealed device, Grayhill serves industries including aerospace, agriculture, automotive, construction, defense, and medical electronics. Many of their rotary switch models are MIL-qualified for military applications.

Frequently Asked Questions

What types of encoders does Grayhill manufacture?: Grayhill manufactures both optical and mechanical encoders, including their innovative Touch Encoder that combines touchscreen, keypad, and rotary switch functions with USB or CAN J1939 communication support.
Are Grayhill switches available in MIL-spec versions?: Yes, Grayhill offers many MIL-qualified rotary switch models designed specifically for military and aerospace applications with extremely rugged construction.
What industries use Grayhill products?: Grayhill products are used in aerospace, agriculture, automotive, construction, defense, medical electronics, and off-highway vehicle applications.
Does Grayhill offer custom HMI solutions?: Yes, Grayhill provides custom operator interface front panels, keypads, and engineered controls tailored to specific application requirements.