Model #M2931

Ammeter (NSN 6625-00-031-3944)

Special Features
Ruggedized
Description

2.850 inches maximum overall length, steel corrosion resisting material, enamel semigloss surface treatment.

Circuit Current For Which Designed
Dc
Dielectric Withstanding Voltage In Volts
3000.0
Mounting Hole Diameter
0.150 inches
Scale Division Quantity
30 single indicator single range
Overall Diameter
3.510 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
Nut 7; lockwasher 5; seal 1
Indicator Type
Dial w/pointer
Installation Design
Panel
Mounting Arrangement Style
Three hole/stud bolt circle
Sensitivity Rating
50.0 millivolts
Dial Scale Marking Color
Black single indicator single range
Accuracy In Percent
-2.0 to 2.0 at full scale single indicator single range
Unable To Decode
Unable to decode or unable to decode
Unable To Decode
Magnetic or unable to decode
Meter Depth Behind Mounting Flange
1.660 inches
Meter Body Diameter Behind Mounting Flange
2.800 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 screw and 3 unthreaded hole
Scale Graduation Type
Linear single indicator single range
Measurement Range
-30.0/+30.0 amperes, dc single indicator single range
Circuit Construction Type
Nonelectronic
Scale Selection Method
Terminal
Features Provided
Luminous scale marking and magnetic shield and zero adjuster
Movement Suspension Method
Jewel pivot base
Circuit Attachment Method And Quantity
2 solder lug and 2 threaded stud
Nuclear Hardness Critical Feature
Nonhardened
Surface Treatment Specification
Mil-f-14072 military specification single treatment response
Style Designator
C1 round flush mtg
Style Designator
Round flush mtg
Supplementary Features
75 mv max power consumption
Test Data Document
81349-mil-m-10304 specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.).
Specification Data
81349-mil-m-10304/12 government specification
Fsc Application Data
Test set, elect. Equip.
Description
Ammeter
Cage Code
63300

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Updated: 11/22/2024