Model #621-15425

Voltmeter (NSN 6625-00-928-5412)

Special Features
Nuclear hardness critical feature-nonhardened.
Description

2.315 inches nominal overall length, steel material, enamel semigloss surface treatment.

Circuit Current For Which Designed
Ac and dc
Mounting Hole Diameter
Between 0.120 inches and 0.130 inches
Overall Diameter
2.695 inches
Environmental Protection
Airtight and dust resistant and fungus resistant and heat resistant and humidity resistant and shock resistant and vibration resistant and water resistant
Mounting Bolt Circle Diameter
2.440 inches
End Application
Seasprite h-2, sea king h-3 helicopter. Support equipment t-37, ov-10a, t-38, c-5 aircraft. Viking s-3a, tomcat f-14, hawkeye e-2c, stratolifter c-135.
Furnished Items And Quantity
Nut 7; lockwasher 5; seal 1
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
1.190 inches
Meter Body Diameter Behind Mounting Flange
2.060 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 screw and 3 unthreaded hole
Scale Graduation Type
Nonlinear single indicator all ranges
Measurement Range
+0.0/+150.0 volts, ac single indicator 1st range
Measurement Range
+0.0/+50.0 volts, dc single indicator 2nd range
Scale Selection Method
Switch
Features Provided
Magnetic shield and zero adjuster
Criticality Code Justification
Feat
Movement Suspension Method
Jewel pivot base
Circuit Attachment Method And Quantity
2 solder lug and 2 threaded stud
Style Designator
C1 round flush mtg
Fsc Application Data
Test set, elect. Equip.
Description
Voltmeter
Cage Code
77221

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Updated: 11/25/2024