Model: MK777-341

Electrical Frequency Meter

Properties:

Circuit Current For Which Designed
Ac
Overall Length
5.375 inches
Mounting Hole Diameter
Between 0.143 inches and 0.157 inches
Scale Division Quantity
50 single indicator single range
Frequency Rating
400.0 hertz
Overall Diameter
3.500 inches
Environmental Protection
Shock resistant and vibration resistant
Mounting Bolt Circle Diameter
3.160 inches
Furnished Items And Quantity
Nut 5; washer 5
Indicator Type
Dial w/pointer
Installation Design
Panel
Mounting Arrangement Style
Three hole/stud bolt circle
Sensitivity Rating
5.0 volt-amperes
Dial Scale Marking Color
Black single indicator single range
Accuracy In Percent
-0.5/+0.5 at 1/2 scale single indicator single range
Unable To Decode
Unable to decode or unable to decode
Meter Depth Behind Mounting Flange
4.190 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
Linear single indicator single range
Measurement Range
+395.0/+405.0 hertz single indicator single range
Features Provided
Zero adjuster
Movement Suspension Method
Jewel pivot base
Circuit Attachment Method And Quantity
2 threaded stud
Operating Voltage Rating In Volts
Between 114.0 ac and 126.0 ac
Phase
Single
Material
Steel
Nuclear Hardness Critical Feature
Nonhardened
Surface Treatment
Paint
Style Designator
Round flush mtg
Fsc Application Data
Electrical, electronic properties measuring and test instruments
NSN
6625-01-116-5311
Part Number
MK777-341
Description
Meter,electrical Frequency
CAGE
0BZM1

An instrument which measures the rate of regularly recurring variations in an electric current or voltage and is usually calibrated in hertz (cycles per second or cps). The value may be expressed by means of a pointer and calibrated dial vibrating reed or a digital read out display. For instruments which measure radio frequencies, see calibrator, frequency; and wavementer. excludes: counter electronic digital.

Part MK777-341 NSN 6625-01-116-5311

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
16454
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:
TG
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
4.0000lbs
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:
061700
UFC:
34580
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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