Product Details | CONTROL TRANSFORMER SYNCHRO

5990-00-681-2691 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: 9767002, 976700-2, 5990-00-681-2691, 00-681-2691, 5990006812691, 006812691

Electrical and Electronic Equipment Components | Synchros and Resolvers

Supply Group (FSG) NSN Assign. NIIN
59 01 JAN 1963 00-681-2691

Drawings & Photos | NSN 5990-00-681-2691


Cross Reference | NSN 5990-00-681-2691

Part Number Cage Code Manufacturer
976700-2 82577 RAYTHEON COMPANY DBA RAYTHEON

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Technical Data | NSN 5990-00-681-2691

Characteristic Specifications
BODY SIZE 11
STATOR INPUT VOLTAGE RATING IN VOLTS 28.0 NOMINAL
STATOR INPUT CURRENT RATING 195.0 MILLIAMPERES MAXIMUM
STATOR INPUT ELECTRICAL POWER RATING 200.0 MILLIWATTS MAXIMUM
FREQUENCY IN HERTZ 400.0 NOMINAL
ZRO RESISTANCE IN OHMS 75.00 NOMINAL
PLUS J ZRO REACTANCE IN OHMS 22.00 NOMINAL
ZSO RESISTANCE IN OHMS 27.00 NOMINAL
PLUS J ZSO REACTANCE IN OHMS 97.00 NOMINAL
TRANSFORMATION RATIO 1.650 ROTOR TO STATOR NOMINAL
MAXIMUM TOTAL NULL VOLTAGE OUTPUT IN MILLIVOLTS PER VOLT 50.00
ACTUATOR FRICTION TORQUE AT MINUS 55 DEG CELSIUS 16.0 CENTIMETER-GRAMS MAXIMUM
ACTUATOR FRICTION TORQUE AT PLUS 25 DEG CELSIUS 8.0 CENTIMETER-GRAMS MAXIMUM
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 2.8280 INCHES MAXIMUM
FLANGE DIAMETER 1.0590 INCHES MINIMUM AND 1.0650 INCHES MAXIMUM
FLANGE THICKNESS 0.0900 INCHES MINIMUM AND 0.0950 INCHES MAXIMUM
UNDERCUT DIAMETER 0.9720 INCHES MINIMUM AND 0.9780 INCHES MAXIMUM
UNDERCUT WIDTH 0.0590 INCHES MINIMUM AND 0.0650 INCHES MAXIMUM
PILOT LENGTH 0.0590 INCHES MINIMUM AND 0.0650 INCHES MAXIMUM
SHOULDER LENGTH 0.0590 INCHES MINIMUM AND 0.0650 INCHES MAXIMUM
MOUNTING SURFACE TO TERMINAL END DISTANCE 2.4380 INCHES MAXIMUM
ALIGNMENT HOLE DEPTH 0.1250 INCHES MINIMUM
ALIGNMENT HOLE BOLT CIRCLE DIAMETER 0.8090 INCHES MINIMUM AND 0.8150 INCHES MAXIMUM
ALIGNMENT HOLE QUANTITY 4
SHAFT TYPE ROUND SINGLE SHAFT
SHAFT DIAMETER 0.1195 INCHES MINIMUM AND 0.1200 INCHES MAXIMUM SINGLE SHAFT
SHAFT LENGTH 0.3600 INCHES MINIMUM AND 0.3900 INCHES MAXIMUM SINGLE SHAFT
TERMINAL TYPE AND QUANTITY 8 WIRE LEAD
TERMINAL LOCATION SIDE
BODY MATERIAL STEEL, CORROSION RESISTING
III FRAGILITY FACTOR MODERATELY RUGGED
MANUFACTURERS CODE 82577
DESIGN CONTROL REFERENCE 976700-2

Restrictions/Controls & Freight Information | NSN 5990-00-681-2691

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 5990-00-681-2691

Category Code Description
Budget Code9 General Support DIV57X4921.070:Air Force decentrally managed expense items (ERRC XB3, XF-3) with a unit cost of less than $250,000 that are requisitioned/procured at base (retail) level from DLA, GSA, Army, Navy, Depot Maintenance Service, Air Force Industrial Fund (AFMC), local manufacture and commercial vendors.
Materiel Management Aggregation CodeEHSX:ELECTRONIC COMPONENTS
Fund CodeSFStock fund applicable to items managed for the Air Force by the respective Inventory Control Point.
Price ValidationV The current standard price has been validated.
  • The item has been analyzed in conjunction with the Zero Overpricing Program and is in the accepted price range.
  • The item was procured under open competition and under the competitive arena the price is considered fair and reasonable.
  • ZOP or Standard price challenges are permissible but must be supported by adequate justification.
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDFDepartment of the Air Force
Service OrganizationFU.S. Air Force
ReparabilityNStock Fund (except Munitions)
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
Purchasing QTY
UOM
1
EA : Each