Model: 55R

Ammeter

Special Features:

Ruggedized

Properties:

Circuit Current For Which Designed

Dielectric Withstanding Voltage In Volts

5000.0

Overall Length

2.250 inches

Mounting Hole Diameter

0.156 inches

Overall Diameter

3.500 inches

Environmental Protection

Shock resistant and vibration resistant

Mounting Bolt Circle Diameter

3.156 inches

Furnished Items And Quantity

Nut 4; washer 4

Indicator Type

Dial w/pointer

Installation Design

Panel

Mounting Arrangement Style

Three hole/stud bolt circle

Sensitivity Rating

5.0 amperes

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

Panel For Which Designed

Magnetic or nonmagnetic

Meter Depth Behind Mounting Flange

1.250 inches

Meter Body Diameter Behind Mounting Flange

2.750 inches

Movement Type

Moving iron vane

Background Color

White single indicator single range

Pointer Color

Black single indicator single range

Power Source

External

Mounting Facility Type And Quantity

3 unthreaded hole

Scale Graduation Type

Nonlinear single indicator single range

Measurement Range

+0.0/+20.0 amperes, ac single indicator single range

Measurement Range

+0.0 to 20.0 amperes, ac single indicator single range

Circuit Construction Type

Nonelectronic

Features Provided

Magnetic shield and zero adjuster

Movement Suspension Method

Taut band

Circuit Attachment Method And Quantity

2 threaded stud

Material

Steel

Nuclear Hardness Critical Feature

Nonhardened

Surface Treatment

Enamel

Special Test Features

Conforms to mil-m-10304

Style Designator

Round flush mtg

Fsc Application Data

Test set, elect. Equip.

NSN

6625-00-133-7673

Part Number

55R

Description

Ammeter

CAGE

55026

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 55R NSN 6625-00-133-7673

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:

Packaging & Shipping

Est. Pack Size

Est. Pack Weight

Est. Item Weight

Est. Item Dim.

Pack Size:

Paclk Weight:

0.9000lbs

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