Model: 420

Ammeter

Properties:

Circuit Current For Which Designed

Center To Center Distance Between Mounting Facilities Parallel To Length

3.438 inches

Center To Center Distance Between Mounting Facilities Parallel To Width

3.438 inches

Overall Height

4.187 inches

Overall Width

4.625 inches

Mounting Hole Diameter

0.138 inches

Scale Division Quantity

50 single indicator single range

Installation Design

Panel

Mounting Arrangement Style

Four hole/stud rectangular/square

Sensitivity Rating

780.0 millivolts

Dial Scale Marking Color

Black single indicator single range

Accuracy In Percent

-2.0/+2.0 at full scale single indicator single range

Meter Depth Behind Mounting Flange

0.958 inches

Meter Body Diameter Behind Mounting Flange

2.750 inches

Background Color

White single indicator single range

Mounting Facility Type And Quantity

4 flange

Measurement Range

+0.0/+500.0 microamperes, dc single indicator single range

Circuit Attachment Method And Quantity

2 threaded stud

Material

Plastic

Style Designator

Rectangular flush mtg

NSN

6625-00-066-6937

Part Number

420

Description

Ammeter

CAGE

60741

An instrument which measures electric current and is calibrated and marked in amperes 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. For current detecting type of devices, see galvanometer.

Part 420 NSN 6625-00-066-6937

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

16450

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:

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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