Model: 157

Ammeter

Properties:

Circuit Current For Which Designed

Dielectric Withstanding Voltage In Volts

5000.0

Overall Length

2.400 inches

Center To Center Distance Between Mounting Facilities Parallel To Length

1.874 inches

Center To Center Distance Between Mounting Facilities Parallel To Width

1.874 inches

Overall Height

2.370 inches

Overall Width

2.370 inches

Scale Division Quantity

50 single indicator single range

Frequency Rating

60.0 hertz

Mounting Stud Length

0.530 inches

Environmental Protection

Dust resistant

Indicator Type

Dial w/pointer

Installation Design

Panel

Mounting Arrangement Style

Four hole/stud rectangular/square

Frequency Response Range

+20.000/+500.000 hertz

Dial Scale Marking Color

Black single indicator single range

Accuracy In Percent

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

Unable To Decode

Unable to decode or unable to decode

Meter Depth Behind Mounting Flange

2.150 inches

Meter Body Diameter Behind Mounting Flange

2.180 inches

Movement Type

Moving coil, permanent magnet

Background Color

White single indicator single range

Pointer Color

Black single indicator single range

Power Source

External

Mounting Facility Type And Quantity

4 threaded stud

Scale Graduation Type

Linear single indicator single range

Measurement Range

+0.0/+3.0 amperes, ac single indicator single range

Mounting Stud Diameter

0.112 inches

Features Provided

Magnetic shield and zero adjuster

Movement Suspension Method

Jewel pivot base

Circuit Attachment Method And Quantity

2 threaded stud

Phase

Single

Material

Plastic

Nuclear Hardness Critical Feature

Nonhardened

Style Designator

Rectangular flush mtg

Fsc Application Data

Test set, electronic equipment

NSN

6625-00-445-3671

Part Number

157

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 157 NSN 6625-00-445-3671

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:

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