Model #431-73A

Electrical frequency meter (NSN 6625-00-007-9841)

Description

3.860 inches maximum overall length, enamel surface treatment.

Mounting Hole Diameter
0.147 inches
Scale Division Quantity
40 single indicator single range
Overall Diameter
3.500 inches
Mounting Bolt Circle Diameter
3.160 inches
Furnished Items And Quantity
Mtg screw, nut, lockwasher 3 ea
Indicator Type
Dial w/pointer
Installation Design
Panel
Mounting Arrangement Style
Three hole/stud bolt circle
Frequency Response Range
+360.000/+440.000 hertz
Frequency Response Range
+360.000 to 440.000 hertz
Dial Scale Marking Color
Black single indicator single range
Accuracy In Percent
-2.0/+2.0 at full scale single indicator single range
Accuracy In Percent
-2.0 to 2.0 at full scale single indicator single range
Meter Depth Behind Mounting Flange
3.500 inches
Meter Body Diameter Behind Mounting Flange
2.760 inches
Movement Type
Moving iron vane
Background Color
White single indicator single range
Pointer Color
Black single indicator single range
Mounting Facility Type And Quantity
3 unthreaded hole
Scale Graduation Type
Linear single indicator single range
Measurement Range
+360.0 to 440.0 hertz single indicator single range
Features Provided
Zero adjuster
Movement Suspension Method
Jewel pivot base
Nuclear Hardness Critical Feature
Nonhardened
Style Designator
Round flush mtg
Fsc Application Data
Test set, elect. Equip.
Description
Meter,electrical Frequency
Cage Code
15309

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Updated: 11/21/2024