Model: 321

Voltmeter

Special Features:

Also designed for nonmagnetic panel

Properties:

Circuit Current For Which Designed

Mounting Hole Diameter

0.125 inches

Scale Division Quantity

6 single indicator single range

Overall Diameter

2.695 inches

Mounting Bolt Circle Diameter

4.440 inches

Installation Design

Panel

Mounting Arrangement Style

Three hole/stud bolt circle

Sensitivity Rating

10000.0 ohms per volt

Dial Scale Marking Color

Black single indicator single range

Accuracy In Percent

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

Meter Depth Behind Mounting Flange

1.609 inches

Meter Body Diameter Behind Mounting Flange

2.219 inches

Movement Type

Moving coil, permanent magnet

Background Color

White single indicator single range

Mounting Facility Type And Quantity

3 unthreaded hole

Movement Suspension Method

Jewel pivot base

Circuit Attachment Method And Quantity

2 threaded stud

Special Markings

Use with external rectifier

Style Designator

C1 round flush mtg

Style Designator

Round flush mtg

NSN

6625-00-542-0528

Part Number

321

Description

Voltmeter

CAGE

63300

An instrument which measures electrical potential and is calibrated in volts 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.

Part 321 NSN 6625-00-542-0528

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

16449

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