Model: 631

Modulation Meter

Special Features:

Ruggedized

Properties:

Circuit Current For Which Designed
Dc
Dielectric Withstanding Voltage In Volts
3000.0
Overall Length
2.000 inches
Mounting Hole Diameter
0.150 inches
Scale Division Quantity
10 single indicator single range
Overall Diameter
3.500 inches
Environmental Protection
Shock resistant and vibration resistant
Mounting Bolt Circle Diameter
3.160 inches
Furnished Items And Quantity
Term. Hdw 2
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
1.200 inches
Meter Body Diameter Behind Mounting Flange
2.670 inches
Movement Type
Moving coil, permanent magnet
Background Color
White single indicator single range
Pointer Color
Black single indicator single range
Power Source
External
Mounting Facility Type And Quantity
3 unthreaded hole
Scale Graduation Type
Linear single indicator single range
Measurement Range
+0.0/+100.0 percent modulation single indicator single range
Scale Selection Method
Terminal
Features Provided
Zero adjuster
Movement Suspension Method
Jewel pivot base
Circuit Attachment Method And Quantity
2 threaded stud
Material
Steel
Nuclear Hardness Critical Feature
Nonhardened
Surface Treatment
Enamel
Special Test Features
Conforms to mil-m-10304
Style Designator
Round flush mtg
Fsc Application Data
Test set, elect. Equip.
NSN
6625-01-022-0738
Part Number
631
Description
Meter,modulation
CAGE
77221

An instrument which measures the relative amount of modulation present in an electrical wave form and is usually calibrated in percent or kilohertz (kilocycles) deviation. The value may be expressed by means of a pointer and calibrated dial or a digital readout display.

Part 631 NSN 6625-01-022-0738

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
16446
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:
0.1000lbs
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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