Part Number
DEMIL
Shelf Life
UOM
NIIN
Part Information
This headset consists of 2 h-87b/u earphones and a cord; used in aircrew helmets by the navy
NSN
National Stock Number:
TXT
Description:
Electrical Headset
MRC:
The number of terminals for providing electrical connection to the item.AARA
Terminal Quantity:
2
MRC:
Indicates the type of terminals for providing electrical connection to the item.AARB
Terminal Type:
Setscrew
MRC:
The total opposition /resistive and reactive/ which the item offers to the flow of an alternating current,expressed in ohms.ACYW
Impedance Rating In Ohms:
600.0
MRC:
Indicates the location of the terminal(s) for making connection to an item.AEEG
Terminal Location:
External
MRC:
A measurement of the longest dimension of the headset cord,in distinction from width.AHEM
Headset Cord Length:
14.3 inches
MRC:
Indicates the type of earphone element as determined by its construction and method of operation.AHEQ
Earphone Element Type:
Dynamic
MRC:
The designed ability of the item to monitor channels.AHER
Channel Monitor Capability:
Any acceptable
MRC:
The number of earphones provided on the item.AHES
Earphone Quantity:
2
MRC:
The element,compound,or mixture of which the earphone cap is fabricated,excluding any surface treatment.AHEU
Earphone Cap Material:
Metal
MRC:
The element,compound,or mixture of which the earphone shell is fabricated,excluding any surface treatment.AHEV
Earphone Shell Material:
Metal
MRC:
The element,compound,or mixture of which the earphone cushion is fabricated,excluding any surface treatment.AHEW
Earphone Cushion Material:
Any acceptable
MRC:
The designation that identifies the electrical circuit arrangement through which an incoming signal is conducted to the earphone/s/.AHEX
Earphone Interconnection Arrangement:
Parallel
MRC:
The means of attaching the earphone to the item.AHEY
Earphone Mounting Method:
Diametrically opposed holes in outside periphery of case
MRC:
The electrical input power and sound pressure output ratings which are used as a base reference for the measurement of the sensitivity of an item.AHFS
Acoustic Sensitivity Reference Rating:
Not rated
MRC:
An indication of whether or not a magnetic shield is included.AHFT
Magnetic Shielding:
Not included
MRC:
Indicates the type of terminals for providing electrical connection to the signal input.AHFZ
Signal Input Terminal Type:
Plug
