MRC:
The dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.ABHP
Overall Length:
3.875 inches
MRC:
The distance measured in a straight line from the bottom to the top of an item.ABKW
Overall Height:
4.125 inches
MRC:
An overall measurement taken at right angles to the length of an item,in distinction from thickness.ABMK
Overall Width:
2.875 inches
MRC:
The number of individual sections included in the item.AFBH
Individual Section Quantity:
4
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:
1 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:
The means of attaching the item.AXGY
Mounting Method:
Bracket 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:
50.0 ac at sea level
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 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:
Fixed-adjustable stops 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:
30.0 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
