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5975-01-407-4633, part number TSC-2003, chassis ELECTRICAL-Electronic equipment
tsc 2154 two channel timer performs time measurements of two independent channels & reports the data over the isa bus or via an RS-232 output; the unit is capable of making simultaneous event measurements on two independent channels based on the rising edge of a ttl signal; rising edges are measured against an internal timebase created from the 5 mhz input; time differences between the two inputs are computed by differencing the event times (software required) ; when paired with the tsc 2213, the tsc 2154 produces time offsets between a time reference (clock) and gps; specifications: WIDTH-1 slot; CONNECTORS- input: 3 sma female; input IMPEDANCE-50 ohm; RESOLUTION-80 ps; POWER-5W
An item which actuates included electrical contacts and/or switches in an orderly succession, and at a predetermined interval(s) for the purpose of controlling the operation of another electrical device(s). May have provision for manually establishing an operational sequence or cycle. See also relay, motor driven; timer, interval; keyer (as modified); chronometer, make-break circuit and intervalometer (as modified).
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.