Product Details | CONTROL TRANSFORMER SYNCHRO

5990-00-677-6486 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: MILS2070839, MILS20708-39, 19CT4B, 5990-00-677-6486, 00-677-6486, 5990006776486, 006776486

Electrical and Electronic Equipment Components | Synchros and Resolvers

Supply Group (FSG) NSN Assign. NIIN
59 01 JAN 1963 00-677-6486

Drawings & Photos | NSN 5990-00-677-6486


Cross Reference | NSN 5990-00-677-6486

Part Number Cage Code Manufacturer
19CT4B 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY
MILS20708-39 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY

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Technical Data | NSN 5990-00-677-6486

Characteristic Specifications
BODY SIZE 20
STATOR INPUT VOLTAGE RATING IN VOLTS 90.0 NOMINAL
STATOR INPUT CURRENT RATING 7.0 MILLIAMPERES NOMINAL
STATOR INPUT ELECTRICAL POWER RATING 250.0 MILLIWATTS NOMINAL
FREQUENCY IN HERTZ 400.0 NOMINAL
TRANSFORMATION RATIO 0.721 ROTOR TO STATOR MINIMUM AND 0.749 ROTOR TO STATOR MAXIMUM
PHASE SHIFT ANGLE IN DEG 3.000 INPUT TO OUTPUT NOMINAL
MAXIMUM FUNDAMENTAL NULL VOLTAGE IN MILLIVOLTS PER VOLT 35.00 OUTPUT
MAXIMUM TOTAL NULL VOLTAGE OUTPUT IN MILLIVOLTS PER VOLT 65.00
ELECTRICAL ERROR ANGULAR RANGE IN MINUTES -8.0 TO 8.0
BODY STYLE A11 STANDARD ROUND, ROTATABLE STATOR B
SHOULDER DIAMETER 1.5615 INCHES MINIMUM AND 1.5620 INCHES MAXIMUM
PILOT DIAMETER 0.9375 INCHES MAXIMUM
OVERALL LENGTH 3.7330 INCHES MAXIMUM
FLANGE DIAMETER 1.7490 INCHES MINIMUM AND 1.7500 INCHES MAXIMUM
FLANGE THICKNESS 0.0900 INCHES MINIMUM AND 0.0960 INCHES MAXIMUM
UNDERCUT WIDTH 0.0780 INCHES NOMINAL
BODY DIAMETER 1.9000 INCHES NOMINAL
PILOT LENGTH 0.0370 INCHES MINIMUM AND 0.0430 INCHES MAXIMUM
SHOULDER LENGTH 0.1290 INCHES MINIMUM AND 0.1350 INCHES MAXIMUM
MOUNTING SURFACE TO TERMINAL END DISTANCE 3.3300 INCHES MAXIMUM
SHAFT TYPE SPLINE W/THREADS SINGLE SHAFT
SHAFT DIAMETER 0.1870 INCHES MINIMUM AND 0.1872 INCHES MAXIMUM SINGLE SHAFT
SHAFT LENGTH 0.5450 INCHES MINIMUM AND 0.5650 INCHES MAXIMUM 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 0.1900 INCHES SINGLE SHAFT
SHAFT THREAD DIRECTION RIGHT-HAND SINGLE SHAFT
TERMINAL TYPE AND QUANTITY 5 SCREW
TERMINAL LOCATION REAR
BODY MATERIAL STEEL, CORROSION RESISTING
III SHAFT MAXIMUM RADIAL PLAY 0.0006 INCHES
III SHAFT RADIAL PLAY TEST POINT 0.125 INCHES MAXIMUM
III SHAFT RADIAL PLAY DETERMINING WEIGHT 16.0 OUNCES
III SHAFT END PLAY 0.0030 INCHES MAXIMUM
III SHAFT END PLAY DETERMINING WEIGHT 16.0 OUNCES
III SHAFT MAXIMUM RUNOUT 0.0008 INCHES
MANUFACTURERS CODE 81349
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE MILS20708-39
MANUFACTURERS CODE 81349
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE 19CT4B

Restrictions/Controls & Freight Information | NSN 5990-00-677-6486

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:DMunitions List Item or Commerce Control List Item. Demilitarization required. Total destruction of the item and components so as to preclude restoration or repair to a usable condition by melting, cutting, tearing, scratching, crushing, breaking, punching, neutralizing, etc. (As an alternate, burial or deep water dumping may be used when coordinated with the DoD Demilitarization Program Office.)
Controlled Inventory Item Code:7NON-SENSITIVE (SRC-N/A) - UNCLASSIFIED AA&E: OR ITEMS ASSIGNED A DEMILITARIZATION CODE OTHER THAN A, B, Q, OR P FOR WHICH ANOTHER CIIC IS INAPPROPRIATE. (NOTE: THE LOSS, THEFT, UNLAWFUL DISPOSITION, AND/OR RECOVERY OF AN ITEM WITH CIIC 7 WILL BE INVESTIGATED IN ACCORDANCE WITH DOD-4000-25-2-M AND DOD 7200.14-R, VOLUME 12, CHAPTER 7).
Precious Metals Indicator Code:AItem does not contain precious metal
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
Category Code Description
NMF Description 062120 GENERATORS/MOTORS/PARTS NOI
Less than car load rating Q 70
Less than truck load rating W Rating Variable
Water commodity Code 590 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 5990-00-677-6486

Category Code Description
Cognizance Codes7HDepot level reparable shipboard and base equipment, assemblies, components and repair parts related to Naval Sea Systems Command equipment
Naval Inventory Control Point, Mechanicsburg
Special Material Content9 Non-Hazardous or Non-Sensitive Item, does not require hazardous or special handling, packaging or precautions
Source of SupplyNRPNAVICP-ERP
700 Robbins Avenue
Philadelphia, PA 19111-5098
AgencyDNDepartment of the Navy
Service OrganizationLLead Service - 22 (Repairable)
ReparabilityHDepot Level Reparable
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 Code7NON-SENSITIVE (SRC-N/A) - UNCLASSIFIED AA&E: OR ITEMS ASSIGNED A DEMILITARIZATION CODE OTHER THAN A, B, Q, OR P FOR WHICH ANOTHER CIIC IS INAPPROPRIATE. (NOTE: THE LOSS, THEFT, UNLAWFUL DISPOSITION, AND/OR RECOVERY OF AN ITEM WITH CIIC 7 WILL BE INVESTIGATED IN ACCORDANCE WITH DOD-4000-25-2-M AND DOD 7200.14-R, VOLUME 12, CHAPTER 7).
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each