5950-00-397-3787, TRANSFORMER,POWER

National Stock Number:
5950-00-397-3787

Federal Supply Class:
5950

National Item Identification Number:
003973787

Description:
TRANSFORMER,POWER

Detail:
A TRANSFORMER CONSISTING OF ONE OR MORE PRIMARY WINDING(S) AND ONE OR MORE SECONDARY WINDING(S). IT MAY BE DESIGNED FOR DIRECT CONNECTION TO AN ALTERNATING CURRENT SOURCE FOR PURPOSES OF CHANGING THE SECONDARY VOLTS AND AMPERES OR DESIGNED TO ELIMINATE METALLIC INTERCONNECTION BETWEEN CIRCUITS IN AN OVERALL ONE TO ONE VOLTAGE RATIO, WITH OR WITHOUT ADDITIONAL OUTPUT WINDINGS, OR ITEMS DESIGNED TO AUTOMATICALLY MAINTAIN A CONSTANT OUTPUT VOLTAGE WITHIN SPECIFIED LIMITS UNDER VARYING INPUT OR LOAD CONDITIONS. ALSO INCLUDES ITEMS HAVING A PROVISION FOR MECHANICALLY CHANGING THE TURNS RATIO OR INDUCTIVE COUPLING IN PROGRESSIVE INCREMENTS BY MEANS OF VOLTAGE TAPS, RATIO ADJUSTER, OR DEVICES OE SIMILAR DESIGN. FOR TRANSFORMERS HAVING WINDING(S) COMMON TO BOTH INPUT AND OUTPUT CIRCUITS, SEE TRANSFORMER (1), POWER, AUTOTRANSFORMER. EXCLUDES TRANSFORMER (1), PULSE.

Manufacturer Information:

885C877	99971	LOCKHEED MARTIN CORP NAVAL ELECTRONICS & SURVEILLANCE SYSTEMS
GE-157-P	20950	ESPEY MFG AND ELECTRONICS CORP
GE-157-P	98675	ESPEY MFG. & ELECTRONICS CORP.
GE157P	98675	ESPEY MFG. & ELECTRONICS CORP.

Techincal Specification:

TERMINAL TYPE AND QUANTITY	4 THREADED HOLE
WINDING OPERATING VOLTAGE	120.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
	36.40 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
WINDING OPERATING CURRENT	66.0 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
WINDING POWER RATING	2.4 KILOVOLT-AMPERES SINGLE COMPONENT SINGLE SECONDARY
FREQUENCY RATING	380.0 HERTZ MINIMUM AND
	420.0 HERTZ MAXIMUM SINGLE COMPONENT
WINDING SHIELDING METHOD	INTERNAL SHIELD GROUNDED TO INCLOSURE SINGLE COMPONENT
WINDING FUNCTION AND QUANTITY	1 PRIMARY AND
	1 SECONDARY SINGLE COMPONENT
INPUT-OUTPUT PHASE RELATIONSHIP	SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
MOUNTING METHOD	THREADED HOLE SINGLE GROUP
MOUNTING FACILITY QUANTITY	4 SINGLE GROUP
THREAD SERIES DESIGNATOR	UNC SINGLE GROUP
NOMINAL THREAD SIZE	0.164 INCHES SINGLE GROUP
THREAD QUANTITY PER INCH	32 SINGLE GROUP
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH	4.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH	3.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP
INCLOSURE TYPE	FULLY INCLOSED
BODY LENGTH	5.380 INCHES NOMINAL
BODY WIDTH	4.750 INCHES MAXIMUM
OVERALL LENGTH	6.000 INCHES MAXIMUM
OVERALL HEIGHT	3.560 INCHES MAXIMUM
OVERALL WIDTH	5.000 INCHES MAXIMUM

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