Model #857-504-AM

Ammeter (NSN 6625-01-122-4941)

Description

2.210 inches nominal overall length, plastic material.

Circuit Current For Which Designed
Ac
Overall Height
2.730 inches
Overall Width
3.150 inches
Mounting Stud Length
0.450 inches
Mounting Bolt Circle Diameter
2.440 inches
Indicator Type
Dial w/pointer
Installation Design
Panel
Mounting Arrangement Style
Three hole/stud bolt circle
Dial Scale Marking Color
Black single indicator all ranges
Accuracy In Percent
-2.0/+2.0 at full scale single indicator all ranges
Meter Depth Behind Mounting Flange
1.000 inches
Meter Body Diameter Behind Mounting Flange
2.190 inches
Movement Type
Moving coil, permanent magnet
Background Color
White single indicator all ranges
Pointer Color
Black single indicator all ranges
Power Source
External
Mounting Facility Type And Quantity
3 threaded stud
Measurement Range
+0.0/+1.0 amperes, ac single indicator 1st range
Measurement Range
+0.0/+4.0 amperes, ac single indicator 2nd range
Measurement Range
+0.0/+8.0 amperes, ac single indicator 3rd range
Mounting Stud Diameter
0.112 inches
Features Provided
Zero adjuster
Movement Suspension Method
Jewel pivot base
Circuit Attachment Method And Quantity
2 threaded stud
Special Markings
Upper scale numbers, divisions and arc amber color; middle scale numbers, divisions and arc green color; lower scale numbers, divisions and arc yellow color
Nuclear Hardness Critical Feature
Nonhardened
Style Designator
Rectangular flush mtg
Fsc Application Data
Test set, elect. Equip.
Description
Ammeter
Cage Code
25965

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Updated: 11/23/2024