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E-3 4045 aircraft
speaker, h/p internal
An item consisting of one or two earphones with a connecting cord and with or without a headband. Single headphone type must include facilities as required for use. For items without earphones designed to protect the ears from noise, see protector, hearing.
Indicates there is no information in the hmirs. The nsn is in a fsc in table ii of fed std 313 and a msds may be required by the user. The requirement for a msds is dependent on a hazard determination of the supplier or the intended end use of item.
Precious metal content is unknown
No known electrostatic discharge (esd) or electromagnetic interference (emi) sensitivity.
Adp accessorial equipment. Represents accessorial equipment which is considered to be a component, device, or unit that is related directly to and essential in the operation of adpe. Included in this class are complete units and components of related general purpose accessorial equipment which are used as part of a system such as weapon system, control system, missile system, communications system, or navigational system. It also encompasses various units or devices and associated control units that are used in combination or conjuction with the adpe configuration but are not part of the configuration itself.
The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
HMIC: Hazardous Material Indicator Code. A one position code that identifies a hazardous item.
PMIC: Precious Metal Indicator Code. A one position code which identifies items that have precious metals as part of their content. precious metals are those metals generally considered to be uncommon, highly valuable, and relatively superior in certain properties such as resistance to corrosion and electrical conductivity.
ESD: Electrostatic Discharge. Indicates if an item is susceptible to electrostatic discharge or electromagnetic interference damage. electrostatic discharge damage occurs when an accumulation of static electricity generated by the relative motion or separation of materials is released to another item by direct contact. electromagnetic interference damage occurs when an item comes into proximity with an electrostatic or magnetic field.
ENAC: Enviromental Attribute Code. Identifies items with environmentally preferred characteristics.
CRITL: Criticality Indicator Code. Indicates an item is technically critical by tolerance, fit, application, nuclear hardness properties, or other characteristics.