Model: M3A

Audio Level Meter

Special Features:

Plus and minus signs on rear of case

Properties:

Circuit Current For Which Designed

Overall Length

3.080 inches

Center To Center Distance Between Mounting Facilities Parallel To Length

1.875 inches

Center To Center Distance Between Mounting Facilities Parallel To Width

1.875 inches

Overall Height

2.500 inches

Overall Width

2.680 inches

Mounting Stud Length

0.500 inches

Furnished Items And Quantity

Nut 4; washer 6

Indicator Type

Dial w/pointer

Installation Design

Panel

Mounting Arrangement Style

Four hole/stud rectangular/square

Dial Scale Marking Color

Black single indicator 1st range

Dial Scale Marking Color

Black single indicator 2nd range and red single indicator 2nd range

Accuracy In Percent

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

Meter Depth Behind Mounting Flange

1.188 inches

Meter Body Diameter Behind Mounting Flange

2.250 inches

Movement Type

Moving coil, permanent magnet

Background Color

Buff single indicator all ranges

Pointer Color

Red single indicator all ranges

Power Source

External

Mounting Facility Type And Quantity

4 threaded stud

Scale Graduation Type

Nonlinear single indicator all ranges

Measurement Range

+0.0/+100.0 percent single indicator 1st range

Measurement Range

-20.0/+3.0 voice units single indicator 2nd range

Mounting Stud Diameter

0.115 inches

Scale Selection Method

Terminal

Features Provided

Zero adjuster

Movement Suspension Method

Jewel pivot base

Circuit Attachment Method And Quantity

2 screw and 2 solder lug and 2 threaded hole

Special Markings

Voice units range 0 to + 3 is red

Material

Plastic

Nuclear Hardness Critical Feature

Nonhardened

Style Designator

Rectangular flush mtg

Fsc Application Data

Test set, electronic equipment

NSN

6625-00-914-8867

Part Number

M3A

Description

Meter,audio Level

CAGE

22003

An instrument which measures the ratio of electrical power with reference to a predetermined value and is calibrated in units of sound intensity, usually decibels. The value may be expressed by means of a pointer and calibrated dial or a digital readout display. if other than audio frequency ranges, see meter, noise level.

Part M3A NSN 6625-00-914-8867

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

16456

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