Model #MK777-421

Voltmeter (NSN 6625-01-300-9903)

Special Features
Ruggedized
Description

2.625 inches nominal overall length, steel corrosion resisting material, enamel semigloss surface treatment.

Circuit Current For Which Designed
Ac
Dielectric Withstanding Voltage In Volts
3000.0
Mounting Hole Diameter
Between 0.143 inches and 0.157 inches
Overall Diameter
3.500 inches
Environmental Protection
Cold resistant and heat resistant and shock resistant and submersible and vibration resistant and watertight
Mounting Bolt Circle Diameter
3.160 inches
Furnished Items And Quantity
Washer 7; nut 7; gasket 1
Indicator Type
Dial w/pointer
Installation Design
Panel
Mounting Arrangement Style
Three hole/stud bolt circle
Dial Scale Marking Color
Black single indicator single range
Accuracy In Percent
-2.0/+2.0 at full scale single indicator single range
Unable To Decode
Unable to decode or unable to decode
Meter Depth Behind Mounting Flange
1.500 inches
Meter Body Diameter Behind Mounting Flange
2.800 inches
Movement Type
Moving iron vane
Background Color
White single indicator single range
Pointer Color
Black single indicator single range
Power Source
External
Mounting Facility Type And Quantity
3 screw and 3 unthreaded hole
Scale Graduation Type
Nonlinear single indicator single range
Measurement Range
+0.0/+300.0 volts, ac single indicator single range
Features Provided
Luminous scale marking and magnetic shield and zero adjuster
Movement Suspension Method
Taut band
Circuit Attachment Method And Quantity
2 solder lug and 2 threaded stud
Nuclear Hardness Critical Feature
Nonhardened
Special Test Features
Conforms to mil-m-10304, type mr36
Style Designator
Round flush mtg
Supplementary Features
Requires external resistor
Fsc Application Data
Test set, elect. Equip.
Description
Voltmeter
Cage Code
0BZM1

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Updated: 10/31/2024