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Datasheet. M3786/20-351T specification
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.
2a 2nd mounting facility
A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.
0.230in. 2nd mounting facility and 0.255in. 2nd mounting facility ⁓2-1/64"
The specific commercial rating which classes the item as to what degree the item will withstand environmental elements and/or hazardous locations.
explosion proof
The dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.
1.318in. and 1.358in. ⁓1-23/64"
0.235in. single actuator and 0.265in. single actuator
0.093in. single actuator
The length of a straight line which passes through the center of a shaft,and terminates at the circumference.
0.123in. single actuator and 0.126in. single actuator
A measurement of the longest dimension of the shaft,in distinction from width.
0.375in. single actuator
A measurement of the longest straight line across a circular cross-sectional plane.
0.520in. ⁓17/32"
The number of individual sections included in the item.
1
Indicates the type of device used to prevent physical movement of the item on its mounting surface.
flatted bushing at 9:30 o'clock
The minimum and maximum limits of temperature at which the item is rated for operation.
-65.0/+85.0 deg celsius
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.
2 single section front
The number of positions to which the item may be actuated to energize electrical circuits.
3 single section rear
The means of attaching the item.
printed circuit 1st mounting facilitythreaded bushing 2nd mounting facility
Those features,not otherwise specified,which may be required for proper functioning of the item.
metallic inclosure
A designation that is used for the purpose of general identification of the thread.
0.250in. 2nd mounting facility ⁓2-1/64"
The voltage for which the contacts are rated,expressed in volts.
115.0 ac at sea LEVEL28.0 dc at sea level
The number of positions to which the switch actuator may be indexed.
3 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.
printed circuit
An indication of the switching action by the contacts of the item.
breaks before makes single section rear
The increments of angular rotation that the switch actuator moves between adjacent index positions.
45.0 degrees single actuator
The minimum and maximum amount of turning force required to rotate an actuator through the detent positions.
+0.500/+1.500 INCH-Pounds single actuator
The amount of current that the contacts are rated to make or break with a specified load.
150.0 milliamperes resistive load ac at sea LEVEL30.0 milliamperes inductive load dc at sea level and 100.0 milliamperes lamp load dc at sea level and 200.0 milliamperes resistive load dc at sea level
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.
tap, circular, bushing mount
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.) .
A designation distinguishing one group of thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter.
unf 2nd mounting facility
The document designator of the specification or standard which established the item of supply.
81349-MIL-S-3786/20 government specification
Answers.
Unf 2nd mounting facility
Tap, circular, bushing mount
0.230 inches minimum 2nd mounting facility and 0.255 inches maximum 2nd mounting facility
2a 2nd 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 5930-01-342-3934 SWITCH,ROTARY
unf 2nd mounting facility thread series tap, circular, bushing mount 1.318" overall length 0.230" 2nd mounting facility thread length 2a 2nd mounting facility thread class
- NIIN
- 013423934
- NIIN Date
- 07/21/91
- Schedule B
- 8536509020
- Name Code
- 02134
- FIIG
- A052B0
- Item Weight
- 0.000lbs
- Item Dimensions
- --
- DEMIL / ITAR
- Uncontrolled item (Code A)
- Hazmat
- No hazard information available from HMIRS.
- MSDS
- N/A
- Precious Metals
- No precious metals
- 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. | MIL-DTL-3786/20 | Cage 81349 |
| 2. | MIL-S-3786/20 | Cage 81349 |
Major End Users Countries and entities
- - Brazil
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M3786/20-351T / 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).
