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

Rotary Switch

Model / MPN: PA550-004 | NSN: 5930-00-688-5222
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
5930-00-688-5222
Sold in multiples of
1 EA
DEMIL
NO
Thread Class
2a single mounting facility
Thread Length
0.375 inches single mounting facility
Overall Length
6.656 inches
Overall Height
1.563 inches
Overall Width
1.359 inches
First Flat Length
0.500 inches single actuator
Flat Height
0.216 inches single actuator
Shaft Diameter
0.249 inches single actuator
Shaft Length
2.875 inches single actuator
Nonturn Device Radius
0.531 inches at 3: 00 o'clock
Individual Section Quantity
6
Nonturn Device Type
Tab at 3: 00 o'clock
Operating Tempurature Range
-65.0/+85.0 degrees celsius
Switch Contact Basic Design
Nonpile-up symmetrical and nonpile-up nonsymmetrical
Pole Quantity
1 1st section rear
Pole Quantity
1 2nd section rear
Pole Quantity
1 3rd section rear
Pole Quantity
1 4th section rear
Pole Quantity
1 5th section front
Pole Quantity
1 6th section rear
Throw Quantity
5 5th section front
Throw Quantity
9 1st section rear
Throw Quantity
9 2nd section rear
Throw Quantity
9 3rd section rear
Throw Quantity
9 4th section rear
Throw Quantity
9 6th section rear
Mounting Method
Threaded bushing single mounting facility
Thread Size
0.375 inches single mounting facility
Contact Voltage Rating In Volts
115.0 ac at altitude
Contact Voltage Rating In Volts
115.0 lowest ac voltage rating at sea level
Contact Voltage Rating In Volts
28.0 dc at altitude
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
Shaft Flat/slot Angular Location
70.0 degrees from nonturn device single actuator
Switch Actuator Indexing Position Quantity
9 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
Contact Switching Action
Breaks before makes 4th section rear
Contact Switching Action
Breaks before makes 5th section front
Contact Switching Action
Breaks before makes 2nd section rear
Contact Switching Action
Breaks before makes 6th section rear
Switch Actuator Positioning Increment
36.0 degrees single actuator
Detent Rotational Torque Range
+1.500/+6.000 inch-pounds single actuator
Switch Actuator Stop Device Type
Fixed stop single actuator
Contact Load Current Rating
100.0 milliamperes resistive load ac at altitude
Contact Load Current Rating
250.0 milliamperes resistive load highest ac voltage rating at sea level
Contact Load Current Rating
350.0 milliamperes resistive load dc at altitude
Contact Load Current Rating
50.0 milliamperes resistive load lowest 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
Test Data Document
81349-mil-s-3786 specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.).
Thread Series Designator
Unef single mounting facility

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PA550-004 Cross Reference
  • P764000600