Product Details | CONTROL TRANSFORMER SYNCHRO

5990-00-677-6487 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: MIL-S-20708/42, MILS2070842, 19CTB6B, 2030640, 5990-00-677-6487, 00-677-6487, 5990006776487, 006776487

Electrical and Electronic Equipment Components | Synchros and Resolvers

Supply Group (FSG) NSN Assign. NIIN
59 01 JAN 1963 00-677-6487

Drawings & Photos | NSN 5990-00-677-6487


Cross Reference | NSN 5990-00-677-6487

Part Number Cage Code Manufacturer
19CTB6B 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY
2030640 10001 NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT
MIL-S-20708/42 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY

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Technical Data | NSN 5990-00-677-6487

Characteristic Specifications
BODY SIZE 19
STATOR INPUT VOLTAGE RATING IN VOLTS 90.0 NOMINAL
STATOR INPUT CURRENT RATING 20.0 MILLIAMPERES NOMINAL
STATOR INPUT ELECTRICAL POWER RATING 350.0 MILLIWATTS NOMINAL
FREQUENCY IN HERTZ 60.0 NOMINAL
TRANSFORMATION RATIO 0.735 ROTOR TO STATOR NOMINAL
PHASE SHIFT ANGLE IN DEG 20.000 INPUT TO OUTPUT NOMINAL
MAXIMUM FUNDAMENTAL NULL VOLTAGE IN MILLIVOLTS PER VOLT 30.00 OUTPUT
MAXIMUM TOTAL NULL VOLTAGE OUTPUT IN MILLIVOLTS PER VOLT 60.00
ELECTRICAL ERROR ANGULAR RANGE IN MINUTES -6.0 TO 6.0
TORQUE GRADIENT PER ANGULAR DEG 0.150 INCH-OUNCES MAXIMUM
BODY STYLE A11 STANDARD ROUND, ROTATABLE STATOR B
SHOULDER DIAMETER 1.5615 INCHES MINIMUM AND 1.5620 INCHES MAXIMUM
PILOT DIAMETER 0.9370 INCHES MINIMUM AND 0.9375 INCHES MAXIMUM
OVERALL LENGTH 3.8400 INCHES NOMINAL
FLANGE DIAMETER 1.7490 INCHES MINIMUM AND 1.7500 INCHES MAXIMUM
FLANGE THICKNESS 0.0930 INCHES NOMINAL
UNDERCUT DIAMETER 1.6220 INCHES MINIMUM AND 1.6250 INCHES MAXIMUM
UNDERCUT WIDTH 0.0780 INCHES NOMINAL
BODY DIAMETER 1.9000 INCHES NOMINAL
PILOT LENGTH 0.0400 INCHES NOMINAL
SHOULDER LENGTH 0.1320 INCHES NOMINAL
MOUNTING SURFACE TO TERMINAL END DISTANCE 3.3000 INCHES NOMINAL
SHAFT TYPE SPLINE W/THREADS SINGLE SHAFT
SHAFT DIAMETER 0.1870 INCHES MINIMUM AND 0.1872 INCHES MAXIMUM SINGLE SHAFT
SHAFT LENGTH 0.5550 INCHES NOMINAL SINGLE SHAFT
SHAFT THREAD LENGTH 0.2000 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 0.185 INCHES SINGLE SHAFT
SHAFT THREAD CLASS 2A SINGLE SHAFT
SHAFT THREAD DIRECTION RIGHT-HAND SINGLE SHAFT
TERMINAL TYPE AND QUANTITY 5 SCREW
TERMINAL LOCATION REAR
BODY MATERIAL STEEL, CORROSION RESISTING
TEST DATA DOCUMENT 81349-MIL-S-20708 SPECIFICATION
MANUFACTURERS CODE 81349
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE MIL-S-20708/42
MANUFACTURERS CODE 81349
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE 19CTB6B

Restrictions/Controls & Freight Information | NSN 5990-00-677-6487

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 XX
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 5990-00-677-6487

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 CodesYTERMINAL ITEM #(NON-STOCKED ITEMS) Future procurement is not authorized. No wholesale stock is available for issue. 1. Requisitions will not be processed to the wholesale manager. 2. Internal Service/agency requisitioning may be continued in accordance with the Service/agency requisitioning policies.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each