Model: 621

Ohmmeter

Special Features:

Ruggedized

Properties:

Circuit Current For Which Designed

Dielectric Withstanding Voltage In Volts

3000.0

Overall Length

2.315 inches

Mounting Hole Diameter

0.125 inches

Scale Division Quantity

100 single indicator single range

Overall Diameter

2.695 inches

Environmental Protection

Airtight and dust resistant and fungus resistant and heat resistant and humidity resistant and shock resistant and vibration resistant and water resistant

Mounting Bolt Circle Diameter

2.440 inches

Furnished Items And Quantity

Nut 7; lockwasher 5; seal 1

Indicator Type

Dial w/pointer

Installation Design

Panel

Mounting Arrangement Style

Three hole/stud bolt circle

Sensitivity Rating

100.0 ohms

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

1.190 inches

Meter Body Diameter Behind Mounting Flange

2.060 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

3 screw and 3 unthreaded hole

Scale Graduation Type

Linear single indicator single range

Measurement Range

+0.0/+10000.0 megohms single indicator single range

Features Provided

Magnetic shield and zero adjuster

Movement Suspension Method

Jewel pivot base

Circuit Attachment Method And Quantity

2 solder lug and 2 threaded stud

Special Markings

On back, sealed do not open

Material

Steel

Nuclear Hardness Critical Feature

Nonhardened

Surface Treatment

Chromate

Style Designator

Round flush mtg

Fsc Application Data

Test set, elect. Equip.

NSN

6625-01-121-9593

Part Number

621

Description

Ohmmeter

CAGE

77221

An instrument which measures electrical resistance and is calibrated in ohms or any multiple and/or submultiples thereof. The value may be expressed by means of a pointer and calibrated dial or a digital readout display. See also test set, insulation bbeakdown.

Part 621 NSN 6625-01-121-9593

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

00494

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:

0.7000lbs

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

Pricing & Availability Check

Submit this form for stock availability and pricing.

How to Order

Ordering from buyaircraftparts.com

If you would like to order this ohmmeter (NSN 6625-01-121-9593) please submit the pricing and availability form above to receive an up to date quote by email. If you agree to the pricing and terms you can e-sign your order online!

We are pleased to have the opportunity to serve you.

Have a Question

Hours:	08:00-18:00 Eastern Standard Time
Phone:	+1 470-231-0824
Email:	Contact Form »

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