Model: A57878

Ammeter

Properties:

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.
NSN
6625-01-021-1313
Part Number
A57878
Description
Ammeter
CAGE
19956

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.

Part A57878 NSN 6625-01-021-1313

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
16450
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:
3.0000lbs
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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