Product Details | CONTROL TRANSFORMER SYNCHRO

5990-01-081-3845 A synchro consisting of a stator and rotor inductively coupled. The electrical output of the rotor is dependent upon both the position of the rotor and the electrical input to the stator from a transmitter synchro or a differential synchro. Does not include variable resistors, goniometers, or variable transformers.

Part Alternates: 15CT4B, 5990-01-081-3845, 01-081-3845, 5990010813845, 010813845

Electrical and Electronic Equipment Components | Synchros and Resolvers

Supply Group (FSG) NSN Assign. NIIN
59 12 AUG 1979 01-081-3845

Drawings & Photos | NSN 5990-01-081-3845


Cross Reference | NSN 5990-01-081-3845

Part Number Cage Code Manufacturer
15CT4B 88818 KEARFOTT CORPORATION DBA KEARFOTT

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Technical Data | NSN 5990-01-081-3845

Characteristic Specifications
BODY SIZE 15
STATOR INPUT VOLTAGE RATING IN VOLTS 90.0 NOMINAL
STATOR INPUT CURRENT RATING 10.0 MILLIAMPERES NOMINAL
STATOR INPUT ELECTRICAL POWER RATING 140.0 MILLIWATTS NOMINAL
FREQUENCY IN HERTZ 400.0 NOMINAL
ZRO RESISTANCE IN OHMS 880.00 NOMINAL
PLUS J ZRO REACTANCE IN OHMS 5300.00 NOMINAL
ZSO RESISTANCE IN OHMS 7800.00 NOMINAL
PLUS J ZSO REACTANCE IN OHMS 9512.00 NOMINAL
ZRS RESISTANCE IN OHMS 1050.00 NOMINAL
PLUS J ZRS REACTANCE IN OHMS 1300.00 NOMINAL
ROTOR DC RESISTANCE IN OHMS 600.00 NOMINAL
STATOR DC RESISTANCE IN OHMS 1050.00 NOMINAL
TRANSFORMATION RATIO 0.735 ROTOR TO STATOR NOMINAL
PHASE SHIFT ANGLE IN DEG 5.500 INPUT TO OUTPUT NOMINAL
MAXIMUM FUNDAMENTAL NULL VOLTAGE IN MILLIVOLTS PER VOLT 60.00 INPUT
MAXIMUM TOTAL NULL VOLTAGE OUTPUT IN MILLIVOLTS PER VOLT 32.00
ELECTRICAL ERROR ANGULAR RANGE IN MINUTES -7.0 TO 7.0
ACTUATOR FRICTION TORQUE AT MINUS 55 DEG CELSIUS 16.0 CENTIMETER-GRAMS NOMINAL
ACTUATOR FRICTION TORQUE AT PLUS 25 DEG CELSIUS 6.0 CENTIMETER-GRAMS NOMINAL
BODY STYLE A2 STANDARD ROUND B
SHOULDER DIAMETER 1.3120 INCHES NOMINAL
PILOT DIAMETER 0.8750 INCHES NOMINAL
OVERALL LENGTH 2.2240 INCHES MAXIMUM
FLANGE DIAMETER 1.4370 INCHES NOMINAL
FLANGE THICKNESS 0.0930 INCHES NOMINAL
UNDERCUT WIDTH 0.0780 INCHES NOMINAL
PILOT LENGTH 0.0400 INCHES NOMINAL
SHOULDER LENGTH 0.1320 INCHES NOMINAL
MOUNTING SURFACE TO TERMINAL END DISTANCE 1.6400 INCHES NOMINAL
SHAFT TYPE SPLINE W/THREADS SINGLE SHAFT
SHAFT DIAMETER 0.1900 INCHES NOMINAL SINGLE SHAFT
SHAFT LENGTH 0.5840 INCHES NOMINAL SINGLE SHAFT
SHAFT THREAD LENGTH 0.2920 INCHES NOMINAL SINGLE SHAFT
SPLINE TOOTH QUANTITY 21 SINGLE SHAFT
SPLINE TOOTH DIAMETRAL PITCH 120 SINGLE SHAFT
SHAFT THREAD SERIES DESIGNATOR UNF SINGLE SHAFT
SHAFT NOMINAL THREAD SIZE 0.190 INCHES SINGLE SHAFT
SHAFT THREAD CLASS 2A SINGLE SHAFT
SHAFT THREAD DIRECTION RIGHT-HAND SINGLE SHAFT
TERMINAL TYPE AND QUANTITY 5 WIRE LEAD
TERMINAL LOCATION REAR
BODY MATERIAL STEEL, CORROSION RESISTING
III FRAGILITY FACTOR MODERATELY RUGGED

Restrictions/Controls & Freight Information | NSN 5990-01-081-3845

Category Code Description
Shelf-Life Code:0Nondeteriorative
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Controlled Inventory Item Code:UUNCLASSIFIED
Precious Metals Indicator Code:UPrecious metal type is unknown
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Category Code Description
No Freight Information

Management | NSN 5990-01-081-3845

Category Code Description
Cognizance Codes9NNavy-owned stocks of defense electronic material
Naval Inventory Control Point, Mechanicsburg
Source of SupplyS9EDefense Supply Center Columbus
Columbus, OH 43218
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesVTERMINAL ITEM # Identifies items in stock, but future procurement is not authorized. Requisitions may continue to be submitted until stocks are exhausted. Preferred item National Stock Number is normally provided by application of the phrase: When Exhausted Use (NSN). Requisitions will be submitted in accordance with IMM/Service requisitioning procedures as applicable.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative