Product Details | CONTROL TRANSFORMER SYNCHRO

5990-00-242-2705 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: 3RS9013A, 3RS901-3A, 5990-00-242-2705, 00-242-2705, 5990002422705, 002422705

Electrical and Electronic Equipment Components | Synchros and Resolvers

Supply Group (FSG) NSN Assign. NIIN
59 17 MAR 1971 00-242-2705

Drawings & Photos | NSN 5990-00-242-2705


Cross Reference | NSN 5990-00-242-2705

Part Number Cage Code Manufacturer
3RS901-3A 88818 KEARFOTT CORPORATION DBA KEARFOTT

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Technical Data | NSN 5990-00-242-2705

Characteristic Specifications
BODY SIZE 11
STATOR INPUT VOLTAGE RATING IN VOLTS 11.8 NOMINAL
STATOR INPUT CURRENT RATING 21.0 MILLIAMPERES MAXIMUM
STATOR INPUT ELECTRICAL POWER RATING 30.0 MILLIWATTS NOMINAL
FREQUENCY IN HERTZ 400.0 NOMINAL
ZRO IMPEDANCE MAGNITUDE IN OHMS 3340.00 NOMINAL
ZRO IMPEDANCE ANGLE IN DEG 79.20 NOMINAL
ZSO IMPEDANCE MAGNITUDE IN OHMS 577.00 NOMINAL
ZSO IMPEDANCE ANGLE IN DEG 80.70 NOMINAL
ZRS IMPEDANCE MAGNITUDE IN OHMS 659.00 NOMINAL
ZRS IMPEDANCE ANGLE IN DEG 30.10 NOMINAL
ROTOR DC RESISTANCE IN OHMS 385.00 NOMINAL
STATOR DC RESISTANCE IN OHMS 60.00 NOMINAL
TRANSFORMATION RATIO 2.203 ROTOR TO STATOR NOMINAL
PHASE SHIFT ANGLE IN DEG 4.200 INPUT TO OUTPUT NOMINAL
MAXIMUM FUNDAMENTAL NULL VOLTAGE IN MILLIVOLTS PER VOLT 30.00 OUTPUT
MAXIMUM TOTAL NULL VOLTAGE OUTPUT IN MILLIVOLTS PER VOLT 40.00
ELECTRICAL ERROR ANGULAR RANGE IN MINUTES -3.0 TO 3.0
ACTUATOR FRICTION TORQUE AT MINUS 55 DEG CELSIUS 16.0 CENTIMETER-GRAMS NOMINAL
ACTUATOR FRICTION TORQUE AT PLUS 25 DEG CELSIUS 4.0 CENTIMETER-GRAMS NOMINAL
BODY STYLE A3 STANDARD ROUND C
SHOULDER DIAMETER 0.9995 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM
PILOT DIAMETER 0.6245 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM
OVERALL LENGTH 2.1390 INCHES NOMINAL
FLANGE DIAMETER 1.0570 INCHES MINIMUM AND 1.0650 INCHES MAXIMUM
FLANGE THICKNESS 0.0930 INCHES NOMINAL
UNDERCUT DIAMETER 0.9750 INCHES NOMINAL
UNDERCUT WIDTH 0.0500 INCHES NOMINAL
PILOT LENGTH 0.0620 INCHES NOMINAL
SHOULDER LENGTH 0.0620 INCHES NOMINAL
MOUNTING SURFACE TO TERMINAL END DISTANCE 1.7650 INCHES NOMINAL
SHAFT TYPE ROUND, SLOTTED SINGLE SHAFT
SHAFT DIAMETER 0.1195 INCHES MINIMUM AND 0.1200 INCHES MAXIMUM SINGLE SHAFT
SHAFT LENGTH 0.3740 INCHES NOMINAL SINGLE SHAFT
SHAFT SLOT DEPTH 0.0300 INCHES NOMINAL SINGLE SHAFT
SHAFT SLOT WIDTH 0.0250 INCHES NOMINAL SINGLE SHAFT
TERMINAL TYPE AND QUANTITY 5 WIRE LEAD
TERMINAL LOCATION REAR
BODY MATERIAL STEEL, STAINLESS

Restrictions/Controls & Freight Information | NSN 5990-00-242-2705

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
NMF Description 061700 ELEC APPLIANCES/INSTRUMENTS NOI
Less than car load rating
Less than truck load rating W Rating Variable
Water commodity Code 658 unknown
Originating Activity Code TX Defense Supply Center Columbus
Columbus, OH 43218
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity H Signal Corps supplies and equipment, including radio equipment and supplies, communications equipment and supplies, electrical equipment and supplies, etc.
Air Special Handling Z No special handling required.
Special Handling Code 9 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable

Management | NSN 5990-00-242-2705

Category Code Description
Cognizance Codes9BNavy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
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