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Datasheet. 212189A3 specification
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.
2a single mounting facility
A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.
0.250in. single mounting facility ⁓1/4"
The dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.
3.750in. ⁓3-3/4"
The distance measured in a straight line from the bottom to the top of an item.
1.000in.
An overall measurement taken at right angles to the length of an item,in distinction from thickness.
0.937in.
0.375in. single actuator
0.219in. single actuator
The length of a straight line which passes through the center of a shaft,and terminates at the circumference.
0.250in. single actuator
A measurement of the longest dimension of the shaft,in distinction from width.
0.469in. single actuator
A measurement of the longest straight line across a circular cross-sectional plane.
1.000in. ⁓1/64"
The linear measurement of the distance from the actuator centerline to the centerline of the nonturn device.
0.375in. at 3:00 o'clock
The number of individual sections included in the item.
3
Indicates the type of device used to prevent physical movement of the item on its mounting surface.
tab at 3:00 o'clock
The general configuration of the contacts of a switch that describes its basic switching structure.
NONPILE-Up nonsymmetrical
The number of poles included in the item.
1 1st section front
The number of poles included in the item.
1 1st section rear
The number of poles included in the item.
1 2nd section front
The number of poles included in the item.
1 3rd section rear
The number of positions to which the item may be actuated to energize electrical circuits.
2 3rd section rear
The number of positions to which the item may be actuated to energize electrical circuits.
3 1st section front
The number of positions to which the item may be actuated to energize electrical circuits.
3 2nd section front
The number of positions to which the item may be actuated to energize electrical circuits.
5 1st section rear
The means of attaching the item.
threaded bushing single mounting facility
A designation that is used for the purpose of general identification of the thread.
0.375in. single mounting facility ⁓3/8"
The voltage for which the contacts are rated,expressed in volts.
110.0 ac at sea level
The voltage for which the contacts are rated,expressed in volts.
28.0 dc at sea level
The number of positions to which the switch actuator may be indexed.
5 single actuator
Indicates the type of shaft included on the item.
round, flatted single actuator
Indicates the type of terminal for providing electrical connection to the item.
tab, solder lug
An indication of the switching action by the contacts of the item.
breaks before makes 1st section front
An indication of the switching action by the contacts of the item.
breaks before makes 1st section rear
An indication of the switching action by the contacts of the item.
breaks before makes 3rd section rear
An indication of the switching action by the contacts of the item.
breaks before makes 2nd section front
The increments of angular rotation that the switch actuator moves between adjacent index positions.
30.0 degrees single actuator
Indicates the type of device included in the switch to limit the angular rotation of its actuator.
fixed STOP-Breakoff tab single actuator
The amount of current that the contacts are rated to make or break with a specified load.
2.0 amperes resistive load dc at sea level
The amount of current that the contacts are rated to make or break with a specified load.
1.0 amperes resistive load ac at sea level
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.
circular wafer, bushing mount
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.
Unef single mounting facility
Circular wafer, bushing mount
0.937 inches
0.250 inches single mounting facility
2a single mounting facility
Schedule B number: 8536509020
Switches, rotary, rated at not over 5 a, for a voltage not exceeding 1,000 v
FSC 5930 ⁓ Switches
Excluding switchgear.
NSN 5930-00-910-5809 SWITCH,ROTARY
unef single mounting facility thread series circular wafer, bushing mount 0.937" overall width 3.750" overall length 0.250" single mounting facility thread length 2a single mounting facility thread class
- NIIN
- 009105809
- NIIN Date
- 01/01/60
- Schedule B
- 8536509020
- Name Code
- 02134
- FIIG
- A052B0
- 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
Major End Users Countries and entities
- - Canada
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212189A3 / 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).
