Model: 631

Voltmeter

Special Features:

Ruggedized

Properties:

Circuit Current For Which Designed

Dielectric Withstanding Voltage In Volts

3000.0

Overall Length

2.850 inches

Mounting Hole Diameter

0.150 inches

Overall Diameter

3.510 inches

Environmental Protection

Shock resistant and vibration resistant and watertight

Mounting Bolt Circle Diameter

3.160 inches

Furnished Items And Quantity

Mtg hardware included

Indicator Type

Dial w/pointer

Installation Design

Panel

Mounting Arrangement Style

Three hole/stud bolt circle

Sensitivity Rating

50.0 microamperes

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

Unable To Decode

Unable to decode or unable to decode

Meter Depth Behind Mounting Flange

1.060 inches

Meter Body Diameter Behind Mounting Flange

2.680 inches

Movement Type

Moving coil, permanent magnet

Background Color

White single indicator single range

Pointer Color

Black single indicator single range

Power Source

External

Mounting Facility Type And Quantity

3 screw and 3 unthreaded hole

Scale Graduation Type

Nonlinear single indicator single range

Measurement Range

+0.0/+315.0 volts, dc single indicator single range

Measurement Range

+0.0 to 315.0 volts, dc single indicator single range

Features Provided

Magnetic shield and zero adjuster

Movement Suspension Method

Jewel pivot base

Circuit Attachment Method And Quantity

2 solderless lug

Special Markings

Green band between285 volts and 315 volts

Material

Stainless steel

Nuclear Hardness Critical Feature

Nonhardened

Surface Treatment

Enamel semigloss

Style Designator

Round flush mtg

Fsc Application Data

Test set, elect. Equip.

NSN

6625-00-489-6275

Part Number

631

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 631 NSN 6625-00-489-6275

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:

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