Model: 321

Ammeter

Properties:

Circuit Current For Which Designed

Overall Length

1.188 inches

Scale Division Quantity

60 single indicator single range

Overall Diameter

3.500 inches

Mounting Bolt Circle Diameter

3.150 inches

Installation Design

Panel

Mounting Arrangement Style

Three hole/stud bolt circle

Sensitivity Rating

100.0 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

0.938 inches

Meter Body Diameter Behind Mounting Flange

2.750 inches

Movement Type

Moving coil, permanent magnet

Background Color

White single indicator single range

Mounting Facility Type And Quantity

3 flange

Measurement Range

+0.0/+300.0 milliamperes, dc single indicator single range

Circuit Attachment Method And Quantity

2 binding post

Material

Plastic

Style Designator

C1 round flush mtg

Style Designator

Round flush mtg

NSN

6625-00-553-0177

Part Number

321

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 321 NSN 6625-00-553-0177

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:

061620

UFC:

34540

LTL:

100.0

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