Model: 634

Voltmeter

Special Features:

Ruggedized

Properties:

Circuit Current For Which Designed

Overall Length

2.267 inches

Mounting Hole Diameter

Between 0.143 inches and 0.157 inches

Overall Diameter

3.510 inches

Environmental Protection

Shock resistant and vibration resistant

Mounting Bolt Circle Diameter

3.160 inches

Indicator Type

Dial w/pointer

Installation Design

Panel

Mounting Arrangement Style

Three hole/stud bolt circle

Sensitivity Rating

1500.0 ohms per volt

Dial Scale Marking Color

Black single indicator all ranges

Accuracy In Percent

-2.0/+2.0 at full scale single indicator all ranges

Unable To Decode

Unable to decode or unable to decode

Meter Depth Behind Mounting Flange

1.405 inches

Meter Body Diameter Behind Mounting Flange

2.800 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 unthreaded hole

Scale Graduation Type

Nonlinear single indicator all ranges

Measurement Range

-15.0/+15.0 millivolts, dc single indicator 1st range

Measurement Range

-300.0/+300.0 volts, dc single indicator 2nd range

Scale Selection Method

Switch

Features Provided

Magnetic shield and zero adjuster

Movement Suspension Method

Taut band

Circuit Attachment Method And Quantity

2 solder lug and 2 threaded stud

Material

Steel

Nuclear Hardness Critical Feature

Nonhardened

Style Designator

Round flush mtg

Fsc Application Data

Test set electronic

NSN

6625-00-882-5917

Part Number

634

Description

Voltmeter

CAGE

77221

An instrument which measures electrical potential and is calibrated in volts 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.

Part 634 NSN 6625-00-882-5917

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

16449

FIIG:

A310A0

Concept No.:

App. Key:

Cond. Code:

Status:

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators

HMIC

PMIC

ESD/EMI

ENAC

MMAC

CRITL

HMIC:

PMIC:

ESD:

MMAC:

CRITL:

Packaging & Shipping

Est. Pack Size

Est. Pack Weight

Est. Item Weight

Est. Item Dim.

Pack Size:

Paclk Weight:

0.1000lbs

Item Weight:

Item Dim:

OPI

SPI No.

SPI Rev.

SPC Mkg.

LVL A

LVL B

OPI:

SPI No.:

SPI Rev.:

SPC Mkg:

LVL_A:

LVL_B:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

136740

UFC:

68820

LTL:

RATING VARIABLE

LCL:

WCC:

657

TCC:

SHC:

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