Model: 300400-001

Headset-microphone

Special Features:

Noise reduction capability of 25 decibels. 3 position headband tension adjustment. Includes both foam and gel ear cushions. Stereo/mono switchable. Dual volume controls. Headband clamp force 2.1 lbs. Color is non-reflective satin black and wrought iron gray.

Properties:

Frequency Rating
Between 100.0 hertz and 3.5 kilohertz
Switch
Included
Impedance Rating
50.0 ohms
End Application
Helicopter aircrew
Earphone Element Type
Dynamic
Earphone Quantity
2
Controlling Agency
Telex communications
Identifying Number
300400-001 part no.
Earphone Mounting Method
Suspended on adjustable headband
Microphone Mounting Facility
Boom adapter on left side of headband
Connector Name
Plug
Connector Identifying Number
Tp-120 type no. And u-93a/u type no. And u-174/u type no.
Connector To Junction Cord Length
5.500 inches
Criticality Code Justification
Feat
NSN
5965-01-454-8649
Part Number
300400-001
Description
Headset-microphone
CAGE
28856

An item consisting of a headset, electrical and a microphone (as modified) mounted on or supported from the head. It may include connecting cords, plugs, jacks, and switches. See also headset-chest set, electrical.

Part 300400-001 NSN 5965-01-454-8649

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
02928
FIIG:
T332-B
Concept No.:
App. Key:
BA
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
P
PMIC:
A
ESD:
A
ESD:
A
MMAC:
EH
CRITL:
Y

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:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
063300
UFC:
35290
LTL:
RATING VARIABLE
LCL:
--
WCC:
72D
TCC:
Z
SHC:
9
ACC:
Instruments/Radio

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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

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