Product Details | CONTROL TRANSFORMER SYNCHRO

5990-00-914-0838 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: M20708/46-001, M20708/46-01C, M2070846001, M20708-46-001, M207084601C, MIL-S-20708/46, MILS2070846, MILS20708C46A23CT4C, VCT234N3, VCT23-4N3, 23CT4C, 5990-00-914-0838, 00-914-0838, 5990009140838, 009140838

Electrical and Electronic Equipment Components | Synchros and Resolvers

Supply Group (FSG) NSN Assign. NIIN
59 01 JAN 1960 00-914-0838

Drawings & Photos | NSN 5990-00-914-0838


Demand History | NSN 5990-00-914-0838

Part Number Request Date QTY Origin
5990-00-914-0838 2024-09-249 5 DIBBS
5990-00-914-0838 2024-08-238 5 DIBBS
M207084601C 2023-08-222 10 US
M207084601C 2023-08-221 10 US
5990-00-914-0838 2023-08-215 3 DIBBS
5990-00-914-0838 2023-02-59 60 United States
5990-00-914-0838 2023-02-40 7 DIBBS
M207084601C 2022-12-346 6 US
5990-00-914-0838 2022-11-319 6 US
5990-00-914-0838 2022-05-132 7 DIBBS
5990-00-914-0838 2022-05-125 2 DIBBS
5990-00-914-0838 2022-05-121 7 DIBBS
5990-00-914-0838 2022-04-108 4 DIBBS
5990-00-914-0838 2022-04-97 4 DIBBS
5990-00-914-0838 2022-03-87 10 DIBBS
5990-00-914-0838 2022-03-76 10 DIBBS
5990-00-914-0838 2022-01-02 2 DIBBS
5990-00-914-0838 2021-11-318 4 DIBBS
5990-00-914-0838 2021-10-280 6 DIBBS
5990-00-914-0838 2021-07-192 7 DIBBS
5990-00-914-0838 2021-06-164 3 DIBBS
5990-00-914-0838 2020-10-295 3 DIBBS
5990-00-914-0838 2020-10-282 14 DIBBS
5990-00-914-0838 2020-08-236 3 DIBBS
5990-00-914-0838 2020-08-232 18 DIBBS
5990-00-914-0838 2020-03-67 22 DIBBS
5990-00-914-0838 2020-02-56 4 Singapore
5990-00-914-0838 2020-02-51 4 Singapore
5990-00-914-0838 2020-01-23 4 US
5990-00-914-0838 2020-01-23 4 IN
5990-00-914-0838 2020-01-13 11 DIBBS
5990-00-914-0838 2020-01-02 11 DIBBS
5990-00-914-0838 2019-09-269 7 DIBBS
5990-00-914-0838 2019-09-246 6 DIBBS
5990-00-914-0838 2019-08-234 6 DIBBS
5990-00-914-0838 2019-06-169 5 DIBBS
5990-00-914-0838 2019-05-151 8 BG
5990-00-914-0838 2019-05-140 4 Singapore
5990-00-914-0838 2019-05-139 4 Singapore
5990-00-914-0838 2019-05-136 4 IN
5990-00-914-0838 2019-01-03 4 United States
23CT4C 2018-10-281 1 Taiwan
5990-00-914-0838 2018-09-269 2 United States
5990-00-914-0838 2018-09-267 4 Singapore
5990-00-914-0838 2018-09-267 2 United States
5990-00-914-0838 2018-07-200 6 DIBBS
23CT4C 2018-06-172 5 Taiwan
23CT4C 2018-06-172 15 Taiwan
5990-00-914-0838 2018-06-164 5 Taiwan
5990-00-914-0838 2017-11-334 20 DIBBS
5990-00-914-0838 2017-10-277 10 DIBBS
5990-00-914-0838 2017-08-225 8 DIBBS
5990-00-914-0838 2017-06-157 4 United States
23CT4C 2016-08-243 100 United States
M207084601C 2016-07-195 1 United States
5990-00-914-0838 2016-04-115 11 DIBBS
5990-00-914-0838 2015-12-349 21 DIBBS
5990-00-914-0838 2015-12-336 21 DIBBS
5990-00-914-0838 2015-09-263 40 DIBBS
5990-00-914-0838 2013-12-353 25 DIBBS
5990-00-914-0838 2013-11-319 25 DIBBS
5990-00-914-0838 2013-10-303 25 DIBBS
5990-00-914-0838 2013-10-274 1 United States
5990-00-914-0838 2013-09-269 10 DIBBS
5990-00-914-0838 2013-09-254 10 DIBBS
5990-00-914-0838 2013-08-235 14 United States
5990-00-914-0838 2013-03-85 13 DIBBS
5990-00-914-0838 2013-02-32 14 DIBBS
5990-00-914-0838 2012-12-360 14 DIBBS
5990-00-914-0838 2012-09-250 11 DIBBS
5990-00-914-0838 2011-12-341 20 DIBBS
23CT4C 2011-09-259 6 US
5990-00-914-0838 2009-02-33 17 DIBBS
5990-00-914-0838 2009-01-26 16 DIBBS
5990-00-914-0838 2008-05-123 57 DIBBS
5990-00-914-0838 2008-04-95 21 DIBBS
5990-00-914-0838 2008-02-60 24 DIBBS
5990-00-914-0838 2008-02-42 7 DIBBS
5990-00-914-0838 2007-08-236 4 DIBBS
5990-00-914-0838 2007-06-171 7 DIBBS

Cross Reference | NSN 5990-00-914-0838

Part Number Cage Code Manufacturer
23CT4C 10212 AERO-FLEX CORP
23CT4C 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY
M20708-46-001 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY
M20708/46-001 53711 NAVAL SEA SYSTEMS COMMAND
M20708/46-01C 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY
MIL-S-20708/46 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY
MILS20708C46A23CT4C 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY
VCT23-4N3 10112 GENERAL DYNAMICS GLOBAL IMAGING TECHNOLOGIES, INC.

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Technical Data | NSN 5990-00-914-0838

Characteristic Specifications
BODY SIZE 23
STATOR INPUT VOLTAGE RATING IN VOLTS 90.0 NOMINAL
STATOR INPUT CURRENT RATING 5.7 MILLIAMPERES MAXIMUM
STATOR INPUT ELECTRICAL POWER RATING 50.0 MILLIWATTS NOMINAL
FREQUENCY IN HERTZ 400.0 NOMINAL
ZSO IMPEDANCE MAGNITUDE IN OHMS 134.00 MINIMUM AND 167.00 MAXIMUM
ZSO IMPEDANCE ANGLE IN DEG 81.00 MINIMUM AND 84.50 MAXIMUM
ZRS IMPEDANCE MAGNITUDE IN OHMS 1040.00 MINIMUM AND 1260.00 MAXIMUM
ZRS IMPEDANCE ANGLE IN DEG 46.00 MINIMUM AND 56.00 MAXIMUM
TRANSFORMATION RATIO 0.735 ROTOR TO STATOR NOMINAL
PHASE SHIFT ANGLE IN DEG 2.300 INPUT TO OUTPUT NOMINAL
MAXIMUM TEMP RISE 20.0 DEG CELSIUS
MAXIMUM FUNDAMENTAL NULL VOLTAGE IN MILLIVOLTS PER VOLT 20.00 OUTPUT
MAXIMUM TOTAL NULL VOLTAGE OUTPUT IN MILLIVOLTS PER VOLT 45.00
ELECTRICAL ERROR ANGULAR RANGE IN MINUTES -6.0 TO 6.0
TORQUE GRADIENT PER ANGULAR DEG 0.200 INCH-OUNCES MAXIMUM
BODY STYLE A4 STANDARD ROUND D
SHOULDER DIAMETER 1.9850 INCHES MINIMUM AND 1.9900 INCHES MAXIMUM
PILOT DIAMETER 0.5950 INCHES NOMINAL
SECOND SHOULDER DIAMETER 1.9935 INCHES MINIMUM AND 1.9995 INCHES MAXIMUM
SECOND SHOULDER LENGTH 0.1700 INCHES NOMINAL
OVERALL LENGTH 4.2990 INCHES NOMINAL
FLANGE DIAMETER 2.2490 INCHES MINIMUM AND 2.2500 INCHES MAXIMUM
FLANGE THICKNESS 0.2500 INCHES NOMINAL
BODY DIAMETER 1.9900 INCHES MAXIMUM
PILOT LENGTH 0.0430 INCHES NOMINAL
SHOULDER LENGTH 0.2500 INCHES NOMINAL
AFT OF FIRST FLANGE DIAMETER 1.9985 INCHES MINIMUM AND 1.9995 INCHES MAXIMUM
MOUNTING SURFACE TO TERMINAL END DISTANCE 3.5800 INCHES NOMINAL
SHAFT TYPE SPLINE W/THREADS SINGLE SHAFT
SHAFT DIAMETER 0.2403 INCHES MINIMUM AND 0.2405 INCHES MAXIMUM SINGLE SHAFT
SHAFT LENGTH 0.7190 INCHES NOMINAL SINGLE SHAFT
SHAFT THREAD LENGTH 0.2900 INCHES NOMINAL SINGLE SHAFT
SPLINE TOOTH QUANTITY 22 SINGLE SHAFT
SPLINE TOOTH DIAMETRAL PITCH 96 SINGLE SHAFT
SHAFT THREAD SERIES DESIGNATOR UNEF SINGLE SHAFT
SHAFT NOMINAL THREAD SIZE 0.250 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, STAINLESS
TEST DATA DOCUMENT 81349-MIL-S-20708 SPECIFICATION
SPECIFICATION/STANDARD DATA 81349-MIL-S-20708/46 GOVERNMENT SPECIFICATION
III FRAGILITY FACTOR MODERATELY RUGGED

Restrictions/Controls & Freight Information | NSN 5990-00-914-0838

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: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 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 5990-00-914-0838

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 Code0 Medical Materiel
Weapons Systems/End Item or Homogeneous Group00DLA/GSA-Managed Items that cannot be identified to a specific Army Weapons Systems/End Item
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