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Rotary Switch

Model / MPN: 40893-04 | NSN: 5930-00-548-8484
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
Sold in multiples of
Thread Class
2a single mounting facility
Thread Length
0.375 inches single mounting facility
Overall Length
1.781 inches
Shaft Diameter
0.250 inches single actuator
Shaft Length
0.719 inches single actuator
Nonturn Device Radius
0.531 inches at 10: 30 o'clock
Individual Section Quantity
Nonturn Device Type
Tab at 10: 30 o'clock
Switch Contact Basic Design
Nonpile-up symmetrical
Pole Quantity
4 single section rear
Throw Quantity
2 single section rear
Mounting Method
Threaded bushing single mounting facility
Thread Size
0.375 inches single mounting facility
Contact Voltage Rating In Volts
110.0 ac at sea level
Contact Voltage Rating In Volts
28.0 dc at sea level
Switch Actuator Indexing Position Quantity
2 single actuator
Shaft Type
Round single actuator
Terminal Type
Tab, solder lug
Contact Switching Action
Makes before breaks single section rear
Switch Actuator Positioning Increment
30.0 degrees single actuator
Switch Actuator Stop Device Type
Fixed stop single actuator
Contact Load Current Rating
1.0 amperes resistive load dc at sea level
Contact Load Current Rating
500.0 milliamperes resistive load ac at sea level
Style Designator
Circular wafer, bushing mount
Thread Series Designator
Unef single mounting facility

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40893-04 Cross Reference
  • B4336-4MLW1