Model: MK777-421

Voltmeter

Special Features:

Ruggedized

Properties:

Circuit Current For Which Designed
Ac
Dielectric Withstanding Voltage In Volts
3000.0
Overall Length
2.625 inches
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
Material
Stainless steel
Nuclear Hardness Critical Feature
Nonhardened
Surface Treatment
Enamel semigloss
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.
NSN
6625-01-300-9903
Part Number
MK777-421
Description
Voltmeter
CAGE
0BZM1

An instrument which measures electrical potential and is calibrated in volts or any multiple and/or submultiple thereof. The value may be expressed by means of a pointer and calibrated dial or a digital readout display.

Part MK777-421 NSN 6625-01-300-9903

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
16449
FIIG:
A310A0
Concept No.:
App. Key:
A
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
P
PMIC:
A
ESD:
ESD:
MMAC:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
--
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
136740
UFC:
68820
LTL:
RATING VARIABLE
LCL:
--
WCC:
657
TCC:
Z
SHC:
9
ACC:
Instruments/Radio

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Schedule B and Export
  • Schedule B: 9030908030
  • SITC: 87479
  • End Use: Measuring, testing, control instruments
  • NAICS: 334515
  • USDA: 1

Freight Class: Parts and accessories of articles of schedule b subheading 9030.39

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