Part Number
DEMIL
Shelf Life
UOM
NIIN
Part Information
Receiver-microphone assembly may be removed from headband and used as a handset
NSN
National Stock Number:
TXT
Description:
Headset-microphone
MRC:
The number of complete cyclic changes,per unit of time,for which an item is rated.ACZB
Frequency Rating:
Between 0.3 kilohertz and 4.0 kilohertz
MRC:
An indication of whether or not a device used to open or close an electrical circuit is included with the item.AEZD
Switch:
Not included
MRC:
The opposition to the flow of direct current offered by an item,expressed in ohms.AFYV
Dc Resistance Rating In Ohms:
20.0
MRC:
The total opposition /resistive and reactive/ to the flow of alternating current.AFYY
Impedance Rating:
40.0 ohms
MRC:
Indicates the type of earphone element as determined by its construction and method of operation.AHEQ
Earphone Element Type:
Magnetic
MRC:
The number of earphones provided on the item.AHES
Earphone Quantity:
1
MRC:
The name of the government agency or commercial organization controlling the item.AMSA
Controlling Agency:
Roanwell corp
MRC:
An identifying number assigned by the government agency or commercial organization controlling the item.AMSB
Identifying Number:
10037 drawing no.
MRC:
The operating current for which the item is rated.APAM
Operating Current Rating:
85.0 milliamperes
MRC:
The total opposition (resistive and reactive) which the earphone offers to the flow of alternating current.BKSQ
Earphone Impedance Rating:
275.0 ohms
MRC:
The name of the government agency or commercial organization controlling the earphone.BKSS
Earphone Controlling Agency:
Roanwell corp
MRC:
An identifying number assigned by the government agency or commerical organization controlling the earphone.BKST
Earphone Identifying Number:
10027 drawing no.
MRC:
Indicates the type of microphone element or cartridge as determined by its construction and method of operation.BKSW
Microphone Element Type:
Carbon
MRC:
An indication of the rated electrical output of the item.BKSX
Output Level Rating:
31 db above 1 mv
MRC:
The means of attaching the earphone.BKSY
Earphone Mounting Method:
Receiver mounted in phenolic case at one end of non-adjustable boom
MRC:
The means provided to mount or otherwise accommodate a microphone.BKSZ
Microphone Mounting Facility:
Microphone mounted in phenolic case at other end of non-adjustable boom
MRC:
The nomenclature by which the connector is identified.BKTB
Connector Name:
Plug
MRC:
A number assigned to the connector for purpose of ready identification.BKTF
Connector Identifying Number:
289d type no.
MRC:
A measurement of the longest dimension of the cord from a connector to a junction,in distinction from width.BKTG
Connector To Junction Cord Length:
5.000 feet
MRC:
The name of the government agency or commercial organization controlling the connector.BLJN
Connector Controlling Agency:
Western electric co
MRC:
The specification,standard,drawing,or similar instrument that specifies environmental and performance requirements or test conditions under which an item is tested and establishes acceptable limits within which the item must conform identified by an alphabetic and/or numeric reference number. includes the commercial and government entity (cage) code of the entity controlling the instrument.TEST
Test Data Document:
81349-mil-h-12576 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.).
MRC:
The number,letter,or symbol that indicates the type,style,grade,class,and the like,of an item in a nonidentifying specification or standard.ZZZT
Specification Or Standard:
H-92/ //u type
