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Datasheet. 79-2157 specification
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.
2a single mounting facility
The dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.
2.220in. ⁓2-15/64"
0.250in. single actuator
A measurement of the longest dimension of the shaft,in distinction from width.
0.370in. single actuator
A measurement of the longest straight line across a circular cross-sectional plane.
1.150in. ⁓1-5/32"
The number of individual sections included in the item.
1
The national stock number or the identification information of the end equipment for which the item is a part.
F155 amt
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 single section front
The number of positions to which the item may be actuated to energize electrical circuits.
4 single section front
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.
115.0 ac 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 single section front
The increments of angular rotation that the switch actuator moves between adjacent index positions.
45.0 degrees single actuator
The amount of current that the contacts are rated to make or break with a specified load.
85.0 amperes resistive load ac at sea level and 2.5 amperes inductive load ac at sea level
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.
tap, circular, 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
Tap, circular, bushing mount
2a single mounting facility
Schedule B number: 8536509025
Switches, rotary, rated at over 5 a, for a voltage not exceeding 1,000 volts
FSC 5930 ⁓ Switches
Excluding switchgear.
NSN 5930-01-407-8900 SWITCH,ROTARY
Used on f155 amt. unef single mounting facility thread series tap, circular, bushing mount 2.220" overall length 2a single mounting facility thread class
- NIIN
- 014078900
- NIIN Date
- 02/07/95
- Schedule B
- 8536509025
- Name Code
- 02134
- FIIG
- A052B0
- 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
Major End Users Countries and entities
- - Saudi Arabia
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79-2157 / 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).
