Product Details | CONTROL TRANSFORMER SYNCHRO

5990-00-254-4825 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: M20708/21-02D, M20708/21-02S , M20708/21D-002, M207082102D, M207082102S, M2070821D002, AS20708/21 , AS2070821, CT156N3, CT15-6N3, MIL-S-20708/21, MILS2070821, MILS2070821D002, MILS20708-21D002, VCT156N2, VCT15-6N2, 15CT6D, 5990-00-254-4825, 00-254-4825, 5990002544825, 002544825

Electrical and Electronic Equipment Components | Synchros and Resolvers

Supply Group (FSG) NSN Assign. NIIN
59 18 JUN 1973 00-254-4825

Drawings & Photos | NSN 5990-00-254-4825


Demand History | NSN 5990-00-254-4825

Part Number Request Date QTY Origin
5990-00-254-4825 2012-12-341 3 United States
M2070821D002 2012-10-291 3 United States

Cross Reference | NSN 5990-00-254-4825

Part Number Cage Code Manufacturer
15CT6D 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY
AS20708/21 0VH01 SAE CUSTOMER SERVICE DEPT 2045
CT15-6N3 10112 GENERAL DYNAMICS GLOBAL IMAGING TECHNOLOGIES, INC.
M20708/21-02D 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY
M20708/21D-002 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY
MIL-S-20708/21 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY
MILS20708-21D002 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY
VCT15-6N2 10112 GENERAL DYNAMICS GLOBAL IMAGING TECHNOLOGIES, INC.

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Technical Data | NSN 5990-00-254-4825

Characteristic Specifications
BODY SIZE 15
STATOR INPUT VOLTAGE RATING IN VOLTS 90.0 NOMINAL
STATOR INPUT CURRENT RATING 13.0 MILLIAMPERES NOMINAL
STATOR INPUT ELECTRICAL POWER RATING 210.0 MILLIWATTS NOMINAL
FREQUENCY IN HERTZ 60.0 NOMINAL
ZSO RESISTANCE IN OHMS 6000.00 MINIMUM AND 7500.00 MAXIMUM
ZRS RESISTANCE IN OHMS 1300.00 MINIMUM AND 1650.00 MAXIMUM
ZSO IMPEDANCE MAGNITUDE IN OHMS 78.00 MINIMUM AND 82.00 MAXIMUM
ZRS IMPEDANCE MAGNITUDE IN OHMS 13.00 MINIMUM AND 18.00 MAXIMUM
TRANSFORMATION RATIO 0.735 ROTOR TO STATOR NOMINAL
PHASE SHIFT ANGLE IN DEG 9.000 INPUT TO OUTPUT NOMINAL
MAXIMUM TEMP RISE 10.0 DEG CELSIUS
MAXIMUM FUNDAMENTAL NULL VOLTAGE IN MILLIVOLTS PER VOLT 45.00 OUTPUT
MAXIMUM TOTAL NULL VOLTAGE OUTPUT IN MILLIVOLTS PER VOLT 65.00
ELECTRICAL ERROR ANGULAR RANGE IN MINUTES -6.0 TO 6.0
ACTUATOR FRICTION TORQUE AT MINUS 55 DEG CELSIUS 0.05 INCH-OUNCES MAXIMUM
ACTUATOR FRICTION TORQUE AT PLUS 25 DEG CELSIUS 0.05 INCH-OUNCES MAXIMUM
BODY STYLE A2 STANDARD ROUND B
SHOULDER DIAMETER 1.3115 INCHES MINIMUM AND 1.3120 INCHES MAXIMUM
PILOT DIAMETER 0.8745 INCHES MINIMUM AND 0.8750 INCHES MAXIMUM
OVERALL LENGTH 3.0430 INCHES MINIMUM AND 3.0830 INCHES MAXIMUM
FLANGE DIAMETER 1.4320 INCHES MINIMUM AND 1.4370 INCHES MAXIMUM
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 2.3910 INCHES MAXIMUM
ALIGNMENT HOLE DEPTH 0.1250 INCHES NOMINAL
ALIGNMENT HOLE BOLT CIRCLE DIAMETER 1.0970 INCHES MINIMUM AND 1.1030 INCHES MAXIMUM
SHAFT TYPE ROUND, SLOTTED SINGLE SHAFT
SHAFT DIAMETER 0.1867 INCHES MINIMUM AND 0.1872 INCHES MAXIMUM SINGLE SHAFT
SHAFT LENGTH 0.5450 INCHES MINIMUM AND 0.5650 INCHES MAXIMUM SINGLE SHAFT
SHAFT SLOT DEPTH 0.0250 INCHES NOMINAL SINGLE SHAFT
SHAFT SLOT WIDTH 0.0200 INCHES NOMINAL SINGLE SHAFT
TERMINAL TYPE AND QUANTITY 5 SCREW
TERMINAL LOCATION REAR
BODY MATERIAL STEEL, STAINLESS
TEST DATA DOCUMENT 81349-MIL-S-20708 SPECIFICATION
SPECIFICATION/STANDARD DATA 81349-MIL-S-20708/21 GOVERNMENT SPECIFICATION

Restrictions/Controls & Freight Information | NSN 5990-00-254-4825

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:BMunitions List Item - Mutilation (MUT) to the point of scrap required. (Formerly: Demilitarization not required. Trade Security Controls (TSCs) required at disposition.)
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 5990-00-254-4825

Category Code Description
Materiel Category and Inventory ManagerQ Electronics Materiel (DLA/GSA Items)
Appropriation and Budget Activity2 Stock Fund Secondary Items
Management Inventory Segment2 NONREPARABLE ITEMS (Exclusive of Insurance and Provisioning Items). This code will be used to identify items which are not reparable.
Specific Group/Generic Code4 Communications Systems Agency and Satellite Communications
Weapons Systems/End Item or Homogeneous Group4AAN/FSC-78/GSC-39
Accounting Requirements CodeX Expendable item. An item of Army property coded with an ARC of ?X? in the AMDF. Expendable items require no formal accountability after issue from a stock record account. Commercial and fabricated items similar to items coded ?X? in the AMDF are considered expendable items.
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDADepartment of the Army
Service OrganizationAU.S. Army
ReparabilityZThis is a nonreparable item. If condemned or economically unserviceable, then dispose at the level authorized replace the item.
Acquisition Advice CodesDDoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(IMM)/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each
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 CodesDDoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(IMM)/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each
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 CodesDDoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(IMM)/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each