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Datasheet. 21902MC specification
The specific commercial rating which classes the item as to what degree the item will withstand environmental elements and/or hazardous locations.
dustproof
The dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.
3.500in. ⁓3-1/2"
The distance measured in a straight line from the bottom to the top of an item.
2.813in.
An overall measurement taken at right angles to the length of an item,in distinction from thickness.
2.813in.
A measurement of the longest dimension of the shaft,in distinction from width.
1.125in. single actuator
The number of individual sections included in the item.
2
The identifying code of the orginator that controls or manufacturers the knob.
82121
The identifying part number assigned to the knob.
a
The longest distance between mounting centers parallel to the horizontal plane.
2.297in. single mounting facility
The longest distance between mounting centers parallel to the vertical plane.
2.297in. single mounting facility
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 each section rear
The number of positions to which the item may be actuated to energize electrical circuits.
3 each section rear
The means of attaching the item.
flange single mounting facility and threaded hole single mounting facility
Those features,not otherwise specified,which may be required for proper functioning of the item.
actuator knob
The number of threads on the item per linear inch measured on a line parallel to the thread axis.
24 single mounting facility
A designation that is used for the purpose of general identification of the thread.
0.190in. single mounting facility ⁓13/64"
The voltage for which the contacts are rated,expressed in volts.
125.0 ac at sea level
The general configuration and relative position of the facilities provided for mounting the item.
four position rectangular single mounting facility
The number of positions to which the switch actuator may be indexed.
4 single actuator
Indicates the type of shaft included on the item.
rectangular/square, threaded hole single actuator
0.250in. single actuator
Indicates the type of terminal for providing electrical connection to the item.
tab w/screw
An indication of the switching action by the contacts of the item.
makes before breaks each section rear
The increments of angular rotation that the switch actuator moves between adjacent index positions.
45.0 degrees single actuator
Indicates the type of device included in the switch to limit the angular rotation of its actuator.
adjustable stop single actuator
The amount of current that the contacts are rated to make or break with a specified load.
10.0 amperes resistive load ac at sea level
Those unusual or unique characteristics or qualities of an item not covered in the other requirements and which are determined to be essential for identification.
jumpers @A-A, B-B, and C-C
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.
tap, circuit selector
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.
1EA
Unc single mounting facility
Tap, circuit selector
24 single mounting facility
2.813 inches
Schedule B number: 8536509025
nmfc 061300
Switches, rotary, rated at over 5 a, for a voltage not exceeding 1,000 volts
FSC 5930 ⁓ Switches
Excluding switchgear.
NSN 5930-00-519-7811 SWITCH,ROTARY
unc single mounting facility thread series tap, circuit selector jumpers @a-a, b-b, and c-c 24 single mounting facility thread quantity per inch 2.813" overall width 3.500" overall length
- NIIN
- 005197811
- NIIN Date
- 01/01/63
- Schedule B
- 8536509025
- Name Code
- 02134
- FIIG
- A052B0
- Item Weight
- 0.000lbs
- Item Dimensions
- --
- QUP
- 1
- Historical Price
- $2.55 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. | JR54A | Cage 82121 |
Major End Users Countries and entities
- - Department of The Navy
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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
21902MC / 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).
