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H6 - Federal Item Name Directory
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07974
TELEPHONE CIRCUIT,TRUNK RELAY
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FIIG: T187-D
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Entry Date: Apr-01-1974
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Concept: 1
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Status: A
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Applicability: DC
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Type: 0
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Definition: A telephone circuit consisting primarily of telephone relays, terminating impedance networks, and other associated telephone equipment designed for use in terminating a trunk from a distant telephone central office and in providing supervision and control of the established trunk connection.
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Basic INC: 70260
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Basic Name: TELEPHONE CIRCUIT
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Description: 1. An assembly of different or like parts designed to perform a specific function in a telephone switchboard or similar telephone equipment. It is self-contained and designed for rapid maintenance replacement by virtue of being a complete circuit terminated in a connector(s), plug(s), or jack(s), and requires no installation other than mechanical mounting. Electrical connection to related circuitry is automatic when the item is mechanically mounted.
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Corresponding NIINs: 27
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