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Rotary Switch

Model / MPN: 121305A | NSN: 5930-01-104-7245
ITAR Registered seal

A switch actuated by a definite angular rotation of the switch shaft about its axis. For items having rated actuation travel and pressure characteristics, see switch, sensitive. Excludes relay, rotary; switch, stepping; and switch, telephone (as modified).

Product Details
NATO Stock Number
5930-01-104-7245
Sold in multiples of
1 EA
DEMIL
NO
Thread Class
2b single mounting facility
Hazardous Locations/environmental Protection
Explosion proof
Overall Length
4.531 inches
Overall Height
2.500 inches
Overall Width
2.406 inches
First Flat Length
0.750 inches single actuator
Shaft Diameter
0.250 inches single actuator
Shaft Length
1.000 inches single actuator
Unthreaded Mounting Hole Diameter
0.203 inches 2nd mounting facility
Individual Section Quantity
5
Knob Manufacturer Code
82121
Knob Manufacturer Part Number
A
Longest Horizontal Distance Between Mounting Centers
1.641 inches 1st mounting facility
Longest Horizontal Distance Between Mounting Centers
2.094 inches 2nd mounting facility
Longest Vertical Distance Between Mounting Centers
1.641 inches 1st mounting facility
Switch Contact Basic Design
Nonpile-up symmetrical
Pole Quantity
1 each section front
Throw Quantity
3 each section rear
Mounting Method
Bracket single mounting facility and threaded hole single mounting facility
Features Provided
Actuator knob
Thready Qty Per Inch (tpi)
24 single mounting facility
Thread Size
0.190 inches single mounting facility
Contact Voltage Rating In Volts
125.0 ac at sea level
Contact Voltage Rating In Volts
120.0 dc at sea level
Switch Actuator Momentary Position
Clockwise single actuator
Rotor Through Connection Quantity
1 each section
Mounting Facility Pattern
Four position rectangular single mounting facility
Switch Actuator Indexing Position Quantity
3 single actuator
Shaft Type
Round, hollowed, flatted single actuator
Terminal Type
Tab w/screw
Contact Switching Action
Breaks before makes each section rear
Switch Actuator Positioning Increment
90.0 degrees single actuator
Detent Rotational Torque Range
+0.500/+4.000 inch-pounds single actuator
Switch Actuator Stop Device Type
Fixed stop single actuator
Contact Load Current Rating
10.0 amperes inductive load ac at sea level
Contact Load Current Rating
10.0 amperes inductive load dc at sea level
Style Designator
Tap, circuit selector
Thread Series Designator
Unc single mounting facility

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121305A Cross Reference