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

Rotary Switch

Model / MPN: 77C707975PT27 | NSN: 5930-00-021-3218
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
5930-00-021-3218
Sold in multiples of
1 EA
DEMIL
NO
Thread Class
2a single mounting facility
Thread Length
0.375 inches single mounting facility
Overall Length
4.032 inches
Overall Height
1.875 inches
Overall Width
1.875 inches
First Flat Length
0.563 inches single actuator
Flat Height
0.216 inches single actuator
Shaft Diameter
0.250 inches single actuator
Shaft Length
0.938 inches single actuator
Nonturn Device Radius
0.531 inches at 12: 00 o'clock
Individual Section Quantity
4
Nonturn Device Type
Key at 12: 00 o'clock
Switch Contact Basic Design
Nonpile-up symmetrical
Pole Quantity
1 each section front
Throw Quantity
18 each section front
Mounting Method
Threaded bushing single mounting facility
Thready Qty Per Inch (tpi)
32 single mounting facility
Thread Size
0.164 inches single mounting facility
Contact Voltage Rating In Volts
300.0 ac at sea level
Contact Voltage Rating In Volts
30.0 ac at altitude
Switch Actuator Indexing Position Quantity
18 single actuator
Shaft Type
Round, flatted single actuator
Terminal Type
Tab, solder lug
Contact Switching Action
Breaks before makes each section rear
Contact Switching Action
Breaks before makes each section front
Switch Actuator Positioning Increment
20.0 degrees single actuator
Contact Load Current Rating
50.0 milliamperes inductive load ac at sea level
Contact Load Current Rating
500.0 milliamperes inductive load dc at sea level
Style Designator
Circular wafer, bushing mount
Thread Series Designator
Unc single mounting facility

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77C707975PT27 Cross Reference
  • 77C707975P27
  • 77C707975P027
  • 77C707975PT27