Model: 4961

Electrical Frequency Meter

Properties:

Circuit Current For Which Designed
Ac
Dielectric Withstanding Voltage In Volts
3000.0
Overall Length
2.953 inches
Mounting Hole Diameter
0.128 inches
Scale Division Quantity
4 single indicator single range
Overall Diameter
3.500 inches
Mounting Bolt Circle Diameter
3.160 inches
Furnished Items And Quantity
Nut 5; washer 5
Indicator Type
Vibrating reed
Installation Design
Panel
Register Quantity
1
Mounting Arrangement Style
Three hole/stud bolt circle
Sensitivity Rating
1.0 watts
Dial Scale Marking Color
Black single indicator single range
Resonant Reed Quantity
5
Accuracy In Percent
-0.3/+0.3 at 1/2 scale single indicator single range
Accuracy In Percent
-0.3 to 0.3 at 1/2 scale single indicator single range
Unable To Decode
Unable to decode or unable to decode
Meter Depth Behind Mounting Flange
2.000 inches
Meter Body Diameter Behind Mounting Flange
2.690 inches
Movement Type
Vibrating reed
Background Color
White 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
+58.0/+62.0 hertz single indicator single range
Measurement Range
+58.0 to 62.0 hertz single indicator single range
Circuit Attachment Method And Quantity
2 threaded stud
Operating Voltage Rating In Volts
Between 100.0 ac and 130.0 ac
Phase
Single
Material
Steel
Nuclear Hardness Critical Feature
Nonhardened
Surface Treatment
Paint
Style Designator
Round flush mtg
Fsc Application Data
Test set, electronic equipment
NSN
6625-00-243-0607
Part Number
4961
Description
Meter,electrical Frequency
CAGE
07239

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 4961 NSN 6625-00-243-0607

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:
CRITL:
X

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:
Construction Materials

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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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