Model: 618

Null Meter

Special Features:

Ruggedized

Properties:

Circuit Current For Which Designed

Dielectric Withstanding Voltage In Volts

1500.0

Overall Length

1.625 inches

Center To Center Distance Between Mounting Facilities Parallel To Length

Between 1.306 inches and 1.318 inches

Center To Center Distance Between Mounting Facilities Parallel To Width

Between 1.306 inches and 1.318 inches

Overall Height

1.810 inches

Overall Width

1.810 inches

Mounting Hole Diameter

0.125 inches

Scale Division Quantity

2 single indicator single range

Environmental Protection

Shock resistant and vibration resistant

Furnished Items And Quantity

Nut 4; washer 4

Indicator Type

Dial w/pointer

Installation Design

Panel

Mounting Arrangement Style

Four hole/stud rectangular/square

Dial Scale Marking Color

Black single indicator single range and green single indicator single range

Dial Scale Marking Color

Black and green single indicator single range

Accuracy In Percent

-3.0/+3.0 at full scale single indicator single range

Accuracy In Percent

-3.0 to 3.0 at full scale single indicator single range

Meter Depth Behind Mounting Flange

1.000 inches

Meter Body Diameter Behind Mounting Flange

1.510 inches

Movement Type

Moving coil, permanent magnet

Background Color

White single indicator single range

Pointer Color

Black single indicator single range

Scale Marking

Dc volts; bar left side marked neg; line at center scale; bar rigt side marked pos

Mounting Facility Type And Quantity

4 screw and 4 unthreaded hole

Scale Graduation Type

Linear single indicator single range

Features Provided

Zero adjuster

Movement Suspension Method

Jewel pivot base

Circuit Attachment Method And Quantity

2 solder lug and 2 threaded stud

Material

Steel

Nuclear Hardness Critical Feature

Nonhardened

Style Designator

Rectangular flush mtg

Fsc Application Data

Test set, elect. Equip.

NSN

6625-00-187-5008

Part Number

618

Description

Meter,null

CAGE

77221

An electrically operated instrument having a zero point on its scale (usually located in the center thereof). It may not indicate units of electrical measurement. The value may be expressed by means of a pointer and calibrated dial or a digital readout display. When the indication shows zero, an electrical value of "zero" has been reached in the circuit. It is generally used in situations in which zero is the desired effect. Excludes ammeter, galvanometer; meter, arbitary scale; and voltmeter.

Part 618 NSN 6625-00-187-5008

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

61382

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:

061700

UFC:

34580

LTL:

RATING VARIABLE

LCL:

WCC:

658

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