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Datasheet. MS27789-21L specification
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.
2a
The style designation indicating the configuration that most nearly corresponds to the appearance of the body.
bushing mount
A measurement of the longest dimension of a bushing,in distinction from width.
0.470in.
A measurement of the longest dimension of the body,in distinction from width.
1.660in.
A measurement taken at right angles to the length of the body,in distinction from thickness.
1.340in.
The style designation indicating the configuration that most nearly corresponds to the appearance of the actuator.
round
The length of a straight line which passes through the center of the actuator,and terminates at the circumference.
0.420in.
1.050in.
The relationship between the actuator position and the actuator action /maintained or momentary/.
up position maintained and down position maintained and center position maintained
The relationship between the actuator position and the integral facility designed to prevent actuator movement.
up position locked in and down position locked in and center position locked in
The maximum voltage rating at which the item is designed to operate in an alternating current and/or direct current circuit,expressed in volts.
115.0 ac and 28.0 dc
The national stock number or the identification information of the end equipment for which the item is a part.
master armament switch
1.706in.
Indicates the type of inclosure provided to coat,cover,protect,or encase the item.
fully inclosed
The means of attaching the item.
threaded bushing
The number of threads on the item per linear inch measured on a line parallel to the thread axis.
32
A designation that is used for the purpose of general identification of the thread.
0.469in. ⁓15/32"
The designation that identifies the electrical configuration of a nonpile-up contact group including the number of switching poles or forms.
4 pole, double throw, three positions maintained single switch unit
The amount of current the contacts are rated to make or break at maximum rated voltage,with a specified load.
7.500 amperes resistive ac and 7.500 amperes inductive ac and 4.000 amperes lamp ac and 7.500 amperes resistive dc and 7.500 amperes inductive dc and 7.000 amperes lamp dc
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.
locked out of down position (keying side)
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-3950 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.
uns
Indicates the type and number of terminals for providing electrical connection.
12 socket, integrated wire termination
The document designator of the specification or standard which established the item of supply.
96906-MS27789 government standard
Answers.
Uns
32
2a
Schedule B number: 8536509065
Switches, for a voltage not exceeding 1000 volts
FSC 5930 ⁓ Switches
Excluding switchgear.
NSN 5930-01-481-5981 SWITCH,TOGGLE
Used on master armament switch. uns thread series locked out of down position (keying side) 32 thread quantity per inch 2a thread class
- NIIN
- 014815981
- NIIN Date
- 01/16/01
- Schedule B
- 8536509065
- Name Code
- 00184
- FIIG
- A053A0
- 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-S-3950 | Cage 81349 |
Major End Users Countries and entities
- - Belgium
- - France
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MS27789-21L / Switch,toggleWhat is the formal definition of this item?
A switch which is externally actuated by a lever and whose contacts open and close with an instantaneous (snap) action; includes items having one or more momentary positions. includes switches (snap action) which use mercury to bridge contacts, and assemblages of complete switches (snap action) having common actuators. excludes switch, lever; switch, rotary; switch, knife; switch, sensitive; and switch, box.
