Product Details | TRANSMITTER SYNCHRO

5990-00-814-4659 A synchro consisting of a stator and rotor inductively coupled. The electrical output of the stator into a receiver synchro, a control transformer or differential synchro is dependent upon the position of its rotor. Does not include variable resistors, goniometers, variable transformers, or items with dials.

Part Alternates: RS9212A, RS921-2A, 5990-00-814-4659, 00-814-4659, 5990008144659, 008144659

Electrical and Electronic Equipment Components | Synchros and Resolvers

Supply Group (FSG) NSN Assign. NIIN
59 01 JAN 1960 00-814-4659

Drawings & Photos | NSN 5990-00-814-4659


Cross Reference | NSN 5990-00-814-4659

Part Number Cage Code Manufacturer
RS921-2A 88818 KEARFOTT CORPORATION DBA KEARFOTT

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Technical Data | NSN 5990-00-814-4659

Characteristic Specifications
BODY SIZE 11
ROTOR INPUT VOLTAGE RATING IN VOLTS 115.0 NOMINAL
ROTOR INPUT CURRENT RATING 60.0 MILLIAMPERES MAXIMUM
ROTOR INPUT ELECTRICAL POWER RATING 800.0 MILLIWATTS NOMINAL
FREQUENCY IN HERTZ 400.0 NOMINAL
ZRO IMPEDANCE MAGNITUDE IN OHMS 2210.00 NOMINAL
ZRO IMPEDANCE ANGLE IN DEG 82.30 NOMINAL
ZSO IMPEDANCE MAGNITUDE IN OHMS 1130.00 NOMINAL
ZSO IMPEDANCE ANGLE IN DEG 81.30 NOMINAL
ROTOR DC RESISTANCE IN OHMS 159.00 NOMINAL
STATOR DC RESISTANCE IN OHMS 137.00 NOMINAL
TRANSFORMATION RATIO 0.783 ROTOR TO STATOR NOMINAL
MAXIMUM TEMP RISE 15.0 DEG CELSIUS
ELECTRICAL ERROR ANGULAR RANGE IN MINUTES -10.0 TO 10.0
TORQUE GRADIENT PER ANGULAR DEG 5700.0 MILLIMETER-MILLIGRAMS MINIMUM
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 2.1390 INCHES MAXIMUM
FLANGE DIAMETER 1.0590 INCHES MINIMUM AND 1.0650 INCHES MAXIMUM
FLANGE THICKNESS 0.0930 INCHES NOMINAL
UNDERCUT DIAMETER 0.9750 INCHES NOMINAL
UNDERCUT WIDTH 0.0500 INCHES NOMINAL
PILOT LENGTH 0.0620 INCHES NOMINAL
SHOULDER LENGTH 0.0620 INCHES NOMINAL
MOUNTING SURFACE TO TERMINAL END DISTANCE 1.7650 INCHES NOMINAL
SHAFT TYPE ROUND, SLOTTED SINGLE SHAFT
SHAFT DIAMETER 0.1195 INCHES MINIMUM AND 0.1200 INCHES MAXIMUM SINGLE SHAFT
SHAFT LENGTH 0.3640 INCHES MINIMUM AND 0.3880 INCHES MAXIMUM SINGLE SHAFT
SHAFT SLOT DEPTH 0.0300 INCHES NOMINAL SINGLE SHAFT
SHAFT SLOT WIDTH 0.0250 INCHES NOMINAL SINGLE SHAFT
TERMINAL TYPE AND QUANTITY 5 WIRE LEAD
TERMINAL LOCATION REAR
BODY MATERIAL STEEL, CORROSION RESISTING
MANUFACTURERS CODE 88818
DESIGN CONTROL REFERENCE RS921-2A

Restrictions/Controls & Freight Information | NSN 5990-00-814-4659

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 062820 RADIO/TV TRANSMIT/RECEIVE SETS
Less than car load rating
Less than truck load rating W Rating Variable
Water commodity Code 593 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 K Clothing, including clothing equipment (other than arms and chemical supplies) cordage, fabrics and leather, parachutes, 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 5990-00-814-4659

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
Price ValidationN The current standard price in Catalog Management Data (CMD) has not analyzed or coded for LP/LM.
  • The price has not been analyzed or reviewed for accuracy.
  • ZOP or Standard price challenges are permissible, but must be supported with adequate justification. However, if coded for Local Purchase (LP) or Fabrication/Manufacture as indicated with an (LM) Acquisition Advice Code of ?L? or?F?,the case must be evaluated locally where purchased or fabricated.
Fund CodeSFStock fund applicable to items managed for the Air Force by the respective Inventory Control Point.
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDFDepartment of the Air Force
Service OrganizationFU.S. Air Force
ReparabilityPStock 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