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Worldwide distributor of NSN parts and consumables located in the USA.

Rotary Switch

Model / MPN: A44377-1 | NSN: 5930-00-161-4400
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
5930-00-161-4400
Sold in multiples of
1 EA
DEMIL
NO
Thread Class
2a single mounting facility
Thread Length
0.375 inches single mounting facility
Hazardous Locations/environmental Protection
Fungus resistant and shock proof and vibration resistant
Overall Length
2.750 inches
Overall Height
2.312 inches
Overall Width
1.968 inches
First Flat Length
0.312 inches single actuator
Flat Height
0.200 inches single actuator
Shaft Diameter
0.250 inches single actuator
Shaft Length
0.437 inches single actuator
Individual Section Quantity
3
Switch Contact Basic Design
Nonpile-up symmetrical
Pole Quantity
1 1st section front
Pole Quantity
1 3rd section front
Throw Quantity
24 3rd section rear
Throw Quantity
24 1st section rear
Mounting Method
Threaded bushing single mounting facility
Features Provided
Dummy section and dummy terminal
Thread Size
0.375 inches single mounting facility
Contact Voltage Rating In Volts
115.0 lowest ac voltage rating at sea level
Contact Voltage Rating In Volts
28.0 dc at sea level
Contact Voltage Rating In Volts
300.0 highest ac voltage rating at sea level
Rotor Through Connection Quantity
1 1st section
Rotor Through Connection Quantity
1 3rd section
Switch Actuator Indexing Position Quantity
24 single actuator
Shaft Type
Round, flatted single actuator
Terminal Type
Tab, solder lug
Contact Switching Action
Breaks before makes 1st section rear
Contact Switching Action
Breaks before makes 3rd section rear
Switch Actuator Positioning Increment
15.0 degrees single actuator
Contact Load Current Rating
250.0 milliamperes resistive load lowest ac voltage rating at sea level
Contact Load Current Rating
50.0 milliamperes resistive load highest ac voltage rating at sea level
Contact Load Current Rating
500.0 milliamperes resistive load dc at sea level and 50.0 milliamperes inductive load dc at sea level
Style Designator
Circular wafer, bushing mount
Thread Series Designator
Unef single mounting facility
A44377 Series Parts

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A44377-1 Cross Reference
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  • 267623MF3E
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  • 267623MF3E
  • PA670-523
  • 267623MF3E
  • PA670-523