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6.510 in. l; 3.940 in. w; 0.219 in. d
An item consisting of an oscillator, amplifiers, waveform clippers, frequency dividers, and the like. It provides a series of pulses, or pulse reference frames of information relating to precise time data, that is applied to other components for purposes of synchronization and control. It may derive signals from internal circuitry, auxiliary external circuitry, or from sources such as the national bureau of standards radio station wwv. The item may include an integral register for circuit monitoring and adjustment purposes only. For items that are not compared to a standard time signal source, but are used as time bases for system triggers, synchronizing sources and the like, see generator, reference signal; generator, electronic command signals and generator, pulse.
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
Item does not contain precious metal.
Represents items with no adp components
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.