51688

51688 Rotary Switch
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Datasheet. 51688 specification

Thread Class
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.

2a single mounting facility

Thread Length
A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.

0.375in. single mounting facility ⁓3/8"

Overall Length
The dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.

1.592in. ⁓1-19/32"

Overall Height
The distance measured in a straight line from the bottom to the top of an item.

1.312in.

Overall Width
An overall measurement taken at right angles to the length of an item,in distinction from thickness.

1.125in.

First Flat Length

0.312in. single actuator

Flat Height

0.218in. single actuator

Shaft Diameter
The length of a straight line which passes through the center of a shaft,and terminates at the circumference.

0.250in. single actuator

Shaft Length
A measurement of the longest dimension of the shaft,in distinction from width.

0.406in. single actuator

Nonturn Device Radius
The linear measurement of the distance from the actuator centerline to the centerline of the nonturn device.

0.531in. at 3:00 o'clock

Individual Section Quantity
The number of individual sections included in the item.

2

Nonturn Device Type
Indicates the type of device used to prevent physical movement of the item on its mounting surface.

tab at 3:00 o'clock

Switch Contact Basic Design
The general configuration of the contacts of a switch that describes its basic switching structure.

NONPILE-Up symmetrical

Pole Quantity
The number of poles included in the item.

3 each section rear

Throw Quantity
The number of positions to which the item may be actuated to energize electrical circuits.

3 each section rear

Mounting Method
The means of attaching the item.

threaded bushing single mounting facility

Nominal Thread Size
A designation that is used for the purpose of general identification of the thread.

0.375in. single mounting facility ⁓3/8"

Contact Voltage Rating In Volts
The voltage for which the contacts are rated,expressed in volts.

30.0 lowest ac voltage rating at sea level

Contact Voltage Rating In Volts
The voltage for which the contacts are rated,expressed in volts.

30.0 lowest dc voltage rating at sea level

Contact Voltage Rating In Volts
The voltage for which the contacts are rated,expressed in volts.

300.0 highest ac voltage rating at sea level

Contact Voltage Rating In Volts
The voltage for which the contacts are rated,expressed in volts.

300.0 highest dc voltage rating at sea level

Switch Actuator Indexing Position Quantity
The number of positions to which the switch actuator may be indexed.

3 single actuator

Shaft Type
Indicates the type of shaft included on the item.

round, flatted single actuator

Terminal Type
Indicates the type of terminal for providing electrical connection to the item.

tab, solder lug

Contact Switching Action
An indication of the switching action by the contacts of the item.

breaks before makes each section rear

Switch Actuator Positioning Increment
The increments of angular rotation that the switch actuator moves between adjacent index positions.

30.0 degrees single actuator

Switch Actuator Stop Device Type
Indicates the type of device included in the switch to limit the angular rotation of its actuator.

fixed stop single actuator

Contact Load Current Rating
The amount of current that the contacts are rated to make or break with a specified load.

50.0 milliamperes resistive load highest ac voltage rating at sea level

Contact Load Current Rating
The amount of current that the contacts are rated to make or break with a specified load.

50.0 milliamperes resistive load highest dc voltage rating at sea level

Contact Load Current Rating
The amount of current that the contacts are rated to make or break with a specified load.

500.0 milliamperes resistive load lowest ac voltage rating at sea level and 50.0 milliamperes inductive load lowest ac voltage rating at sea level

Contact Load Current Rating
The amount of current that the contacts are rated to make or break with a specified load.

500.0 milliamperes resistive load lowest dc voltage rating at sea level and 50.0 milliamperes inductive load lowest dc voltage rating at sea level

Precious Material And Location
An indication of the precious material and its location in the item.

contact and rotor blade surfaces silver

Precious Material
Identification of the precious material contained in the item.

silver

Style Designator
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.

tap, square frame

Thread Series Designator
A designation distinguishing one group of thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter.

unef single mounting facility

Answers.

What quantity is this sold in?

1EA

What class is the thread series?

Unef single mounting facility

What is the style?

Tap, square frame

What is the overall width?

1.125 inches

What is the thread length?

0.375 inches single mounting facility

What is the thread class?

2a single mounting facility

What is the NSN for 51688?

5930-00-878-7585

How is this classified for shipping?

Schedule B number: 8536509020
nmfc 061300
Switches, rotary, rated at not over 5 a, for a voltage not exceeding 1,000 v

What's the federal classification of 51688?

FSC 5930 ⁓ Switches

Excluding switchgear.

NSN 5930-00-878-7585 SWITCH,ROTARY

unef single mounting facility thread series tap, square frame 1.125" overall width 1.592" overall length 0.375" single mounting facility thread length 2a single mounting facility thread class

NIIN
008787585
NIIN Date
09/20/67
Schedule B
8536509020 
Name Code
02134
FIIG
A052B0
Item Weight
0.000lbs
Item Dimensions
30 X 30 X 30
QUP
1 
Historical Price
$21.45 EA
DEMIL / ITAR
Uncontrolled item (Code A)
Hazmat
No hazard information available from HMIRS.
MSDS
N/A
Precious Metals
Contains silver
Enviromental
N/A
Electrostatic ESD & EMI
No ESD or EMI sensitivity

Major End Users Countries and entities

  • - Department of The Navy 

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Shipping Information

Special Handling
Other or no special handling required (sh) 
LTL (less than a truck load rating)
77.5 
LCL (less than a car load rating)
Unknown
Special Cargo
No special type of cargo code applicable 
Air Freight (Minimum cargo door size required)
Shipment is not a consolidation and does not exceed 84 inches in any dimension. 
Customs Requirement Classification
Instruments/equipment/supplies for radio, communications, electrical, laboratory, etc. (includes signal corps) 
Commodity (for shipments via water)
Communications/electronics, other than sigint/ew or comsec repair parts and components 
NMFC (national motor freight code)
061300 CIRCUIT BREAKER/SWITCH NOI 
UFC (universal freight code)
34410 

Similar by Design Other switchs with similar characteristics

Nothing similar to this part number was found in our inventory

51688 / Switch,rotaryWhat is the formal definition of this item?

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).