Model #631-E320

Ammeter (NSN 6625-01-049-6803)

Special Features
Pointer, sword; ruggedized
Description

2.315 inches nominal overall length, steel corrosion resisting material, enamel semigloss surface treatment.

Circuit Current For Which Designed
Dc
Mounting Hole Diameter
Between 0.120 inches and 0.130 inches
Scale Division Quantity
50 single indicator single range
Overall Diameter
2.695 inches
Environmental Protection
Cold resistant and heat resistant and shock resistant and submersible and vibration resistant and watertight
Mounting Bolt Circle Diameter
2.440 inches
Furnished Items And Quantity
Nut 7; flat washer 4; lockwasher 3; resistor 1
Indicator Type
Dial w/pointer
Installation Design
Panel
Mounting Arrangement Style
Three hole/stud bolt circle
Sensitivity Rating
200.0 milliamperes
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
1.190 inches
Meter Body Diameter Behind Mounting Flange
2.060 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
+0.0/+50.0 milliamperes, dc single indicator single range
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
Special Test Features
Complies with mil-m-10304/5
Style Designator
Round flush mtg
Fsc Application Data
Test set, elect. Equip.
Description
Ammeter
Cage Code
77221

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Updated: 11/01/2024