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Shaft drilled perpindicular to flat and tapped 5-40 0.438 in.From end of shaft for pin style 1 mounting 2 holes 0.312 in. On3.812 in. Mounting centers
MRC:
The dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.ABHP
Overall Length:
5.187 inches
MRC:
The distance measured in a straight line from the bottom to the top of an item.ABKW
Overall Height:
2.875 inches
MRC:
An overall measurement taken at right angles to the length of an item,in distinction from thickness.ABMK
Overall Width:
4.375 inches
First Flat Length:
0.500 inches single actuator
Flat Height:
0.312 inches single actuator
MRC:
The length of a straight line which passes through the center of a shaft,and terminates at the circumference.ABWV
Shaft Diameter:
0.375 inches single actuator
MRC:
A measurement of the longest dimension of the shaft,in distinction from width.ABXF
Shaft Length:
0.875 inches single actuator
MRC:
The number of individual sections included in the item.AFBH
Individual Section Quantity:
8
MRC:
The identifying code of the orginator that controls or manufacturers the knob.AFCQ
Knob Manufacturer Code:
82121
MRC:
The identifying part number assigned to the knob.AFCY
Knob Manufacturer Part Number:
8164-12y
MRC:
The general configuration of the contacts of a switch that describes its basic switching structure.AJZE
Switch Contact Basic Design:
Nonpile-up symmetrical
MRC:
The number of poles included in the item.AKPX
Pole Quantity:
1 each section front
MRC:
The number of positions to which the item may be actuated to energize electrical circuits.AKPY
Throw Quantity:
3 each section front
MRC:
The radius of the circle in which the mounting facilities of an item are located.ALAQ
Mounting Facility Circle Radius:
1.609 inches single mounting facility
MRC:
Those features,not otherwise specified,which may be required for proper functioning of the item.CBBL
Features Provided:
Actuator knob
MRC:
The number of threads on the item per linear inch measured on a line parallel to the thread axis.CMLP
Thready Qty Per Inch (tpi):
20 single mounting facility
MRC:
A designation that is used for the purpose of general identification of the thread.CQJX
Thread Size:
0.250 inches single mounting facility
MRC:
The voltage for which the contacts are rated,expressed in volts.CQMK
Contact Voltage Rating In Volts:
125.0 ac at sea level
MRC:
The position of the actuator,with relation to the extremity of rotation,that is momentary (spring loaded).CQQT
Switch Actuator Momentary Position:
Clockwise single actuator
MRC:
The angular distance of the shaft flat or slot from the point of reference.CQRQ
Shaft Flat/slot Angular Location:
180.0 degrees from nonturn device single actuator
MRC:
The general configuration and relative position of the facilities provided for mounting the item.CQYJ
Mounting Facility Pattern:
Four position circular single mounting facility
MRC:
The number of positions to which the switch actuator may be indexed.CRJH
Switch Actuator Indexing Position Quantity:
4 single actuator
MRC:
Indicates the type of shaft included on the item.CRSJ
Shaft Type:
Round, flatted, threaded hole single actuator
MRC:
Indicates the type of terminal for providing electrical connection to the item.CSCF
Terminal Type:
Tab w/screw
MRC:
An indication of the switching action by the contacts of the item.CSHW
Contact Switching Action:
Breaks before makes each section front
MRC:
The increments of angular rotation that the switch actuator moves between adjacent index positions.CSLC
Switch Actuator Positioning Increment:
90.0 degrees single actuator
MRC:
Indicates the type of device included in the switch to limit the angular rotation of its actuator.CTDN
Switch Actuator Stop Device Type:
Adjustable stop single actuator
MRC:
The amount of current that the contacts are rated to make or break with a specified load.CTHF
Contact Load Current Rating:
10.0 amperes resistive load ac at sea level
MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.STYL
Style Designator:
Tap, circuit selector
MRC:
A designation distinguishing one group of thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter.THSD
Thread Series Designator:
Unc single mounting facility
MRC:
A feature of the item of supply which must be specifically recorded when the reference number covers a range of items.ZZZY
Reference Number Differentiating Characteristics:
Material will be in accordance with ships parts control centeractivity hx quality control, manufacturing and testing specifications
