255978-LAM

255978LAM Rotary Switch Section

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Quality Commitment

Serving our customers with quality and safety first.

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Datasheet. 255978-LAM specification

Overall Height
The distance measured in a straight line from the bottom to the top of an item.

1.832in.

Overall Width
An overall measurement taken at right angles to the length of an item,in distinction from thickness.

1.328in.

Body Thickness
A measurement of the smallest dimension of a body,in distinction from length or width.

0.088in.

Unthreaded Mounting Hole Diameter
The length of a straight line which passes through the center of an unthreaded mounting hole,and terminates at the circumference.

0.112in. single mounting facility and 0.115in. single mounting facility

Longest Horizontal Distance Between Mounting Centers
The longest distance between mounting centers parallel to the horizontal plane.

1.562in. single mounting facility

Operating Temp Range
The minimum and maximum limits of temperature at which the item is rated for operation.

-65.0/+100.0 deg celsius

Switch Contact Basic Design
The general configuration of the contacts of a switch that describes its basic switching structure.

NONPILE-Up symmetrical

Pole Quantity
The number of poles included in the item.

1 single section front

Pole Quantity
The number of poles included in the item.

1 single section rear

Throw Quantity
The number of positions to which the item may be actuated to energize electrical circuits.

18 single section front

Throw Quantity
The number of positions to which the item may be actuated to energize electrical circuits.

18 single section rear

Mounting Method
The means of attaching the item.

strut single mounting facility and unthreaded hole single mounting facility

Contact Voltage Rating In Volts
The voltage for which the contacts are rated,expressed in volts.

150.0 ac at altitude

Contact Voltage Rating In Volts
The voltage for which the contacts are rated,expressed in volts.

150.0 ac at sea level

Contact Voltage Rating In Volts
The voltage for which the contacts are rated,expressed in volts.

30.0 dc at altitude

Contact Voltage Rating In Volts
The voltage for which the contacts are rated,expressed in volts.

30.0 dc at sea level

Mounting Facility Pattern
The general configuration and relative position of the facilities provided for mounting the item.

two position IN-Line single mounting facility

Terminal Type
Indicates the type of terminal for providing electrical connection to the item.

tab, solder lug

Contact Switching Action
An indication of the switching action by the contacts of the item.

breaks before makes single section front

Contact Switching Action
An indication of the switching action by the contacts of the item.

breaks before makes single section rear

Contact Load Current Rating
The amount of current that the contacts are rated to make or break with a specified load.

100.0 milliamperes resistive load dc at altitude

Contact Load Current Rating
The amount of current that the contacts are rated to make or break with a specified load.

200.0 milliamperes resistive load dc at sea level and 20.0 milliamperes inductive load dc at sea level

Contact Load Current Rating
The amount of current that the contacts are rated to make or break with a specified load.

25.0 milliamperes resistive load ac at altitude

Contact Load Current Rating
The amount of current that the contacts are rated to make or break with a specified load.

50.0 milliamperes resistive load ac at sea level

Special Features
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.

OFF-Set dummy positions 2a, 5a, 8a, 14a on front

Style Designator
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.

switch section, rotary

Test Data Document
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.) .

Answers.

What quantity is this sold in?

1EA

What is the style?

Switch section, rotary

What is the overall width?

1.328 inches

What is the NSN for 255978-LAM?

5930-00-975-9751

How is this classified for shipping?

Schedule B number: 8538907080
nmfc 061300
Parts suitable for use solely or principally with the apparatus for heading 8535, 8536,8537

What's the federal classification of 255978-LAM?

FSC 5930 ⁓ Switches

Excluding switchgear.

NSN 5930-00-975-9751 SWITCH SECTION,ROTARY

switch section, rotary off-set dummy positions 2a, 5a, 8a, 14a on front 1.328" overall width

NIIN
009759751
NIIN Date
10/05/66
Schedule B
8538907080 
Name Code
15315
FIIG
A052B0
Item Weight
0.000lbs
Item Dimensions
--
QUP
Historical Price
$13.73 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. 255978-36PT Cage 76854
2. 269-2630-010 Cage 13499

Major End Users Countries and entities

  • - Greece 
  • - Turkey 

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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)
Radio parts and equipment, excluding tubes packed separately 
NMFC (national motor freight code)
061300 CIRCUIT BREAKER/SWITCH NOI 
UFC (universal freight code)
34410 

Similar by Design Other switch sections with similar characteristics

Nothing similar to this part number was found in our inventory

255978-LAM / Switch section,rotaryWhat is the formal definition of this item?

An item consisting of electrical contacts mounted on an insulated plate which together form a section of a switch or relay. it includes both rotor and stator but does not include drive or actuating mechanism.