121-BB-5

121BB5 Rotary Switch

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Datasheet. 121-BB-5 specification

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

2.501in. ⁓2-33/64"

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

1.375in.

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

1.375in.

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.

0.938in. single actuator

Unthreaded Mounting Hole Diameter
The length of a straight line which passes through the center of an unthreaded mounting hole,and terminates at the circumference.

0.138in. single mounting facility

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

1

Longest Horizontal Distance Between Mounting Centers
The longest distance between mounting centers parallel to the horizontal plane.

1.000in. single mounting facility

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.

2 single section rear

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

5 single section rear

Mounting Method
The means of attaching the item.

bracket single mounting facility

Thread Quantity Per Inch
The number of threads on the item per linear inch measured on a line parallel to the thread axis.

32 single mounting facility

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

0.138in. single mounting facility ⁓9/64"

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

115.0 ac at sea level

Mounting Facility Pattern
The general configuration and relative position of the facilities provided for mounting the item.

two position IN-Line single mounting facility

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

5 single actuator

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

round single actuator

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

turret

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

breaks before makes single 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.

2.0 amperes resistive load ac at sea level

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

tap, square frame

Test Data Document
The specification,standard,drawing,or similar instrument that specifies environmental and performance requirements or test conditions under which an item is tested and establishes acceptable limits within which the item must conform identified by an alphabetic and/or numeric reference number. includes the commercial and government entity (cage) code of the entity controlling the instrument.

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

unc single mounting facility

Answers.

What class is the thread series?

Unc single mounting facility

What is the style?

Tap, square frame

What is the thread quantity per inch?

32 single mounting facility

What is the overall width?

1.375 inches

What is the NSN for 121-BB-5?

5930-00-907-3190

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 121-BB-5?

FSC 5930 ⁓ Switches

Excluding switchgear.

NSN 5930-00-907-3190 SWITCH,ROTARY

unc single mounting facility thread series tap, square frame 32 single mounting facility thread quantity per inch 1.375" overall width 2.501" overall length

NIIN
009073190
NIIN Date
01/01/60
Schedule B
8536509020 
Name Code
02134
FIIG
A052B0
QUP
 
Historical Price
$62.08 EA
DEMIL / ITAR
Uncontrolled item (Code A)
Hazmat
No hazard information available from HMIRS.
MSDS
N/A
Precious Metals
Metal content unknown
Enviromental
N/A
Electrostatic ESD & EMI
No ESD or EMI sensitivity

Other Part Numbers Parts with same form, fit, and function by other manufacturers

1. 4-06060-001 Cage 03848

Major End Users Countries and entities

  • - Italy 

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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)
Radio parts and equipment, excluding tubes packed separately 
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

121-BB-5 / 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).