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Worldwide distributor of NSN parts and consumables located in the USA.

Ammeter

Model / MPN: A57878 | NSN: 6625-01-021-1313
ITAR Registered seal

An instrument which measures electric current and is calibrated and marked in amperes or any multiple and/or submultiple thereof. The value may be expressed by means of a pointer and calibrated dial or a digital readout display. For current detecting type of devices, see galvanometer.

Product Details
NATO Stock Number
6625-01-021-1313
Sold in multiples of
1 EA
DEMIL
DEMIL/MLI
Circuit Current For Which Designed
Ac
Overall Length
11.000 inches
Center To Center Distance Between Mounting Facilities Parallel To Length
Between 3.373 inches and 3.379 inches
Center To Center Distance Between Mounting Facilities Parallel To Width
Between 3.373 inches and 3.379 inches
Overall Height
Between 4.250 inches and 4.750 inches
Overall Width
Between 4.250 inches and 4.750 inches
Mounting Hole Diameter
0.312 inches
Frequency Rating
400.0 hertz
Environmental Protection
Cold resistant and heat resistant and humidity proof and vibration resistant
Furnished Items And Quantity
Nut 6; washer 12
Indicator Type
Dial w/pointer
Installation Design
Panel
Mounting Arrangement Style
Four hole/stud rectangular/square
Frequency Response Range
+360.000/+440.000 hertz
Sensitivity Rating
5.0 amperes
Dial Scale Marking Color
Black single indicator single range
Accuracy In Percent
-1.5/+1.5 at full scale single indicator single range
Meter Depth Behind Mounting Flange
10.000 inches
Meter Body Diameter Behind Mounting Flange
3.980 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
4 screw and 4 unthreaded hole
Scale Graduation Type
Nonlinear single indicator single range
Measurement Range
+0.0/+80.0 amperes, ac single indicator single range
Features Provided
Zero adjuster
Movement Suspension Method
Taut band
Circuit Attachment Method And Quantity
2 threaded stud
Material
Steel
Nuclear Hardness Critical Feature
Nonhardened
Special Test Features
Conforms to mil-m-16034/4
Style Designator
Rectangular flush mtg
Supplementary Features
Damping factor 3; response time 2.5 seconds
Test Data Document
81349-mil-m-16034 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-16034/4 government specification
Fsc Application Data
Test set, elect. Equip.
A5787 Series Parts

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A57878 Cross Reference
  • 496-008
  • MR49080AFAAH
  • MR49W080AFAAH
  • MIL-M-16034/4
  • MR49W80AFAAH