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Rotary Switch

Model / MPN: 128403LA | NSN: 5930-01-097-7271
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
5930-01-097-7271
Sold in multiples of
1 EA
DEMIL
NO
Thread Class
2a 1st mounting facility
Thread Length
0.250 inches 1st mounting facility
Hazardous Locations/environmental Protection
Explosion proof
Overall Length
10.312 inches
Overall Height
6.750 inches
Overall Width
6.750 inches
First Flat Length
1.375 inches single actuator
Shaft Diameter
0.625 inches single actuator
Shaft Length
2.000 inches single actuator
Unthreaded Mounting Hole Diameter
0.525 inches 2nd mounting facility
Individual Section Quantity
3
Longest Horizontal Distance Between Mounting Centers
5.625 inches 2nd mounting facility
Longest Vertical Distance Between Mounting Centers
5.625 inches 2nd mounting facility
End Application
Panel rod mot 94197
Switch Contact Basic Design
Nonpile-up symmetrical
Pole Quantity
1 each section periphery
Throw Quantity
4 each section periphery
Mounting Method
Bracket 2nd mounting facility and unthreaded hole 2nd mounting facility
Mounting Method
Threaded bushing 1st mounting facility
Features Provided
Actuator knob
Thready Qty Per Inch (tpi)
32 1st mounting facility
Thread Size
0.750 inches 1st mounting facility
Contact Voltage Rating In Volts
250.0 dc at sea level
Contact Voltage Rating In Volts
500.0 ac at sea level
Switch Actuator Momentary Position
Clockwise single actuator
Mounting Facility Pattern
Four position rectangular 2nd mounting facility
Switch Actuator Indexing Position Quantity
4 single actuator
Shaft Type
Round, flatted, threaded hole single actuator
Terminal Type
Tab, solder lug
Contact Switching Action
Makes before breaks each section front
Switch Actuator Positioning Increment
90.0 degrees single actuator
Switch Actuator Stop Device Type
Fixed stop single actuator
Contact Load Current Rating
200.0 amperes resistive load dc at sea level
Contact Load Current Rating
200.0 amperes resistive load ac at sea level
Style Designator
Tap, circuit selector
Thread Series Designator
Un 1st mounting facility
128403LA Series Parts
Solicitations
Solicitation Description Qty UOM Close Date
SPE7M218T2195 Switch, Rotary 5 EA 03/19/2018
SPE7M218T2910 Switch, Rotary 5 EA 05/03/2018
SPE7M221T2961 Switch, Rotary 2 EA 04/05/2021

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128403LA Cross Reference