Model: 641

Special Scale Meter

Special Features:

Ruggedized

Properties:

Circuit Current For Which Designed

Dielectric Withstanding Voltage In Volts

3000.0

Overall Length

2.850 inches

Mounting Hole Diameter

Between 0.143 inches and 0.157 inches

Overall Diameter

4.600 inches

Environmental Protection

Shock resistant and vibration resistant and watertight

Mounting Bolt Circle Diameter

4.125 inches

Furnished Items And Quantity

Term. Hdw 2

Indicator Type

Dial w/pointer

Installation Design

Panel

Mounting Arrangement Style

Three hole/stud bolt circle

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

Panel For Which Designed

Nonmagnetic

Meter Depth Behind Mounting Flange

1.660 inches

Meter Body Diameter Behind Mounting Flange

3.760 inches

Movement Type

Moving coil, permanent magnet

Background Color

White single indicator single range

Pointer Color

Black single indicator single range

Scale Marking

0, .1, .2, .3, .4, .5, .6, .7, .8, .9, 1.0; r-t sens. Go is green band with white letters at upper part of band at scale points 0 to .3; noise go is green band with white letters at lower part of band at scale points 0 to .3; no marks on band at scale points .3 to .4; vha, vda, vza and go is green band with white letters at scale points .4 to .6; r-t sens. Sig. Adj with arrow pointing at heavy black line is at scale point .9 and remainder of scale is white with no marks

Mounting Facility Type And Quantity

6 screw and 6 unthreaded hole

Scale Graduation Type

Nonlinear 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

Stainless steel

Nuclear Hardness Critical Feature

Nonhardened

Surface Treatment

Enamel semigloss

Style Designator

Round flush mtg

NSN

6625-00-116-5699

Part Number

641

Description

Meter,special Scale

CAGE

77221

An electrically operated instrument which has a custom scale or digital readout display, but the unit of measurement given is not covered by a more specific item name. For items without a specified unit of measurement, see meter, arbitrary scale.

Part 641 NSN 6625-00-116-5699

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

61955

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:

0.5000lbs

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