Model: A475

Electrical Headset-chest Set

Special Features:

Sound powered type item includes dual earphone headset, transmitter mounted, push to talk switch, chestplate with neck strap and a 20 foot cordassembely with a plug in accordance with mil-j-24649 p/n h-39a.

Properties:

Frequency Rating
Between 750.0 hertz and 2600.0 hertz
Impedance Rating
110.0 ohms
Earphone Quantity
2
Earphone Impedance Rating
1.2 kilohms
Earphone Dc Resistance Rating
400.0 ohms
Microphone Element Type
Dynamic
Output Level Rating
Specified accustical input as per specification below
Microphone Mounting Facility
Bracket
Chest Plate Suspension Method
Neck strap
Test Data Document
81349-mil-t-15514 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.).
NSN
5965-00-900-6401
Part Number
A475
Description
Headset-chest Set,electrical
CAGE
78957

A device consisting of one or two earphones with necessary supporting means, a chest harness and a chest mounted microphone. Includes connecting cords. May include junction box, switches, and/or connectors. See also headset-microphone.

Part A475 NSN 5965-00-900-6401

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
00710
FIIG:
A545Q0
Concept No.:
App. Key:
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:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
5.2000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
M
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:
85.0
LCL:
--
WCC:
723
TCC:
Z
SHC:
9
ACC:
Instruments/Radio

End Items End applications NSN 5965-00-900-6401 is a component of

  • Sonar Acoustic Miscellaneous
  • An/slq-32 Countermeasure Set
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  • Mk 92 (fcs) Fire Control System
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  • Mk-41 Vertical Launching System
  • Deep Submergence Systems Programs (dssp)

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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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