Model #253265

Electrical frequency meter (NSN 6625-00-237-4854)

Description

3.469 inches nominal overall length, steel material.

Circuit Current For Which Designed
Dc
Center To Center Distance Between Mounting Facilities Parallel To Length
3.375 inches
Center To Center Distance Between Mounting Facilities Parallel To Width
3.375 inches
Overall Height
4.562 inches
Overall Width
4.562 inches
Scale Division Quantity
20 single indicator all ranges
Mounting Stud Length
1.500 inches
Furnished Items And Quantity
Nut 4; washer 4
Indicator Type
Vibrating reed
Installation Design
Panel
Register Quantity
2
Mounting Arrangement Style
Four hole/stud rectangular/square
Dial Scale Marking Color
Black single indicator all ranges
Resonant Reed Quantity
21
Meter Depth Behind Mounting Flange
2.531 inches
Meter Body Diameter Behind Mounting Flange
3.687 inches
Movement Type
Vibrating reed
Background Color
White single indicator all ranges
Power Source
External
Mounting Facility Type And Quantity
4 threaded stud
Scale Graduation Type
Linear single indicator all ranges
Measurement Range
+115.0/+135.0 hertz single indicator 1st range+122.5/+127.5 hertz single indicator 2nd range
Measurement Range
+115.0 to 135.0 hertz single indicator 1st range
Measurement Range
+122.5 to 127.5 hertz single indicator 2nd range
Mounting Stud Diameter
0.250 inches
Scale Selection Method
Terminal
Circuit Attachment Method And Quantity
2 solder lug
Nuclear Hardness Critical Feature
Nonhardened
Style Designator
Rectangular flush mtg
Fsc Application Data
Test set, elect. Equip.
Description
Meter,electrical Frequency
Cage Code
07239

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Updated: 11/24/2024