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Datasheet. 19912-253 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.
0.375in. single mounting facility ⁓3/8"
The dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.
3.031in. ⁓3-1/32"
The distance measured in a straight line from the bottom to the top of an item.
1.875in.
An overall measurement taken at right angles to the length of an item,in distinction from thickness.
1.625in.
0.438in. 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.
0.500in. single actuator
The linear measurement of the distance from the actuator centerline to the centerline of the nonturn device.
0.531in. at 3:00 o'clock
The number of individual sections included in the item.
4
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 symmetrical
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 front
The number of poles included in the item.
1 3rd section rear
The number of poles included in the item.
1 4th section front
The number of positions to which the item may be actuated to energize electrical circuits.
1 4th section front
The number of positions to which the item may be actuated to energize electrical circuits.
4 1st section front
The number of positions to which the item may be actuated to energize electrical circuits.
4 1st section rear
The number of positions to which the item may be actuated to energize electrical circuits.
4 2nd section front
The number of positions to which the item may be actuated to energize electrical circuits.
4 3rd section front
The number of positions to which the item may be actuated to energize electrical circuits.
4 3rd 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.
4 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 front
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 4th section front
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 single actuator
The amount of current that the contacts are rated to make or break with a specified load.
1.0 amperes resistive load dc at sea level
The amount of current that the contacts are rated to make or break with a specified load.
500.0 milliamperes resistive load ac at sea level
An indication of the precious material and its location in the item.
contacts and rotor blade surfaces silver
Identification of the precious material contained in the item.
silver
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.
1EA
Unef single mounting facility
Circular wafer, bushing mount
1.625 inches
0.375 inches single mounting facility
2a single mounting facility
Schedule B number: 8536509020
nmfc 061300
Switches, rotary, rated at not over 5 a, for a voltage not exceeding 1,000 v
FSC 5930 ⁓ Switches
Excluding switchgear.
NSN 5930-00-549-0233 SWITCH,ROTARY
unef single mounting facility thread series circular wafer, bushing mount 1.625" overall width 3.031" overall length 0.375" single mounting facility thread length 2a single mounting facility thread class
- NIIN
- 005490233
- NIIN Date
- 01/01/63
- Schedule B
- 8536509020
- Name Code
- 02134
- FIIG
- A052B0
- Item Weight
- 0.000lbs
- Item Dimensions
- --
- QUP
- 1
- Historical Price
- $43.58 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
- - Brazil
- - Spain
- - Republic of Korea
- - Italy
- - Greece
- - Turkey
Availability for 19912-253 A member of our team will provide you with a price and availability quote
Request a Quote »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
19912-253 / 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).
