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FSC 5965 | Microphones And Speakers Handsets Headsets
H-143/A1C

Model: H-143/A1C

Earphone Element

Special Features:

Dynamic type element with 20 ohm impedance and a frequency response of 200 to 6000 hz; used on several headset-microphones and headsets

Properties:

Body Style

Earphone element, circular

Terminal Quantity

Terminal Type

Setscrew

Impedance Rating In Ohms

19.0

Overall Diameter

Between 1.971 inches and 1.986 inches

Terminal Location

External

Frequency Response Range In Hertz

+100.0 to 5000.0

Output Sensitivity Rating In Decibels

100.0 and 105.0

Earphone Element Type

Dynamic

Earphone Element Depth

Between 0.435 inches and 0.465 inches

Acoustic Sensitivity Reference Rating

Not rated

Unpackaged Unit Weight

35.0 grams

Test Data Document

81349-mil-e-25670 specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.).

Specification Data

81349-mil-e-25670/2b government specification

Fsc Application Data

Headsets, handsets, microphones and speakers

NSN

5965-00-615-0104

Part Number

H-143/A1C

Description

Earphone Element

CAGE

81349

The internal fabrication of an earphone. It may include a diaphragm but does not include shell, earpiece, or a connecting cord.

Part H-143/A1C NSN 5965-00-615-0104

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

00093

FIIG:

A06800

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:

0.2000lbs

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:

063300

UFC:

35290

LTL:

85.0

LCL:

WCC:

723

TCC:

SHC:

ACC:

Instruments/Radio

End Items End applications NSN 5965-00-615-0104 is a component of

B-52 Aircraft Support Equipment
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Los Angeles Class Ssn (688)
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010042893
Wind And Dust Sun Goggles
010184911
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010184913
Parachutists' Helmet
014756577
Flyer's Helmet
010184915
Parachutists' Helmet
014756571
Flyer's Helmet
014756575
Flyer's Helmet
010184914
Parachutists' Helmet
010184912
Parachutists' Helmet
014087755
Flow Control Thermostat
012886340
Terminal Communicat
010184910
Parachutists' Helmet
012138145
Ri Release Assembly
012139035
Aneroid Altimeter-barometer
000823953
Radar Set

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Schedule B and Export

Schedule B: 8518903000
SITC: 76492
End Use: Telecommunications equipment
NAICS: 334310
USDA: 1

Freight Class: Microphone parts, loudspeaker parts, amplifier parts & headphone parts