Product Details | RECEIVER SYNCHRO

5990-00-772-9277 A synchro consisting of a stator and rotor inductively coupled. The rotor is free to turn in accordance with the electrical input from a transmitter synchro or a differential synchro. Does not include variable resistors, goniometers, variable transformers, or items with dials.

Part Alternates: MILR215301, MIL-R-21530-1, 11R2N4R100A, 3R983004D, 3R983-004D, 5990-00-772-9277, 00-772-9277, 5990007729277, 007729277

Electrical and Electronic Equipment Components | Synchros and Resolvers

Supply Group (FSG) NSN Assign. NIIN
59 01 JAN 1960 00-772-9277

Drawings & Photos | NSN 5990-00-772-9277


Cross Reference | NSN 5990-00-772-9277

Part Number Cage Code Manufacturer
11R2N4R100A 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY
3R983-004D 88818 KEARFOTT CORPORATION DBA KEARFOTT
MIL-R-21530-1 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY

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Technical Data | NSN 5990-00-772-9277

Characteristic Specifications
BODY SIZE 11
ROTOR INPUT VOLTAGE RATING IN VOLTS 26.0 NOMINAL
ROTOR INPUT CURRENT RATING 145.0 MILLIAMPERES NOMINAL
ROTOR INPUT ELECTRICAL POWER RATING 760.0 MILLIWATTS NOMINAL
FREQUENCY IN HERTZ 400.0 NOMINAL
ZRO IMPEDANCE MAGNITUDE IN OHMS 179.00 NOMINAL
ZRO IMPEDANCE ANGLE IN DEG 78.40 NOMINAL
ZSO IMPEDANCE MAGNITUDE IN OHMS 42.00 NOMINAL
ZSO IMPEDANCE ANGLE IN DEG 80.50 NOMINAL
ZSS IMPEDANCE MAGNITUDE IN OHMS 10.40 NOMINAL
ZSS IMPEDANCE ANGLE IN DEG 26.80 NOMINAL
TRANSFORMATION RATIO 9.454 ROTOR TO STATOR NOMINAL
PHASE SHIFT ANGLE IN DEG 7.000 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 30.00
ELECTRICAL ERROR ANGULAR RANGE IN MINUTES -3.0 TO 3.0
ACTUATOR FRICTION TORQUE AT MINUS 55 DEG CELSIUS 25.0 CENTIMETER-GRAMS MAXIMUM
ACTUATOR FRICTION TORQUE AT PLUS 25 DEG CELSIUS 15.0 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 2.4190 INCHES NOMINAL
FLANGE DIAMETER 1.0570 INCHES MINIMUM AND 1.0650 INCHES MAXIMUM
FLANGE THICKNESS 0.0620 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 1.8570 INCHES NOMINAL
SHAFT TYPE SPLINE W/THREADS SINGLE SHAFT
SHAFT DIAMETER 0.1867 INCHES MINIMUM AND 0.1872 INCHES MAXIMUM SINGLE SHAFT
SHAFT LENGTH 0.5550 INCHES NOMINAL SINGLE SHAFT
SHAFT THREAD LENGTH 0.2000 INCHES NOMINAL 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 0.190 INCHES SINGLE SHAFT
SHAFT THREAD CLASS 3A SINGLE SHAFT
SHAFT THREAD DIRECTION RIGHT-HAND SINGLE SHAFT
TERMINAL TYPE AND QUANTITY 8 SCREW
TERMINAL LOCATION REAR
BODY MATERIAL STEEL, STAINLESS
MANUFACTURERS CODE 81349
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE MIL-R-21530-1
MANUFACTURERS CODE 81349
DEFINITIVE GOVERNMENT SPEC/STD 11R2N4R100A

Restrictions/Controls & Freight Information | NSN 5990-00-772-9277

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 062120 GENERATORS/MOTORS/PARTS NOI
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 V Vehicles, machinery, shop and warehouse equipment and supplies, including special tools and equipment, ground servicing and special purpose vehicles, marine equipment and supplies, repair and maintenance parts for the above.
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 5990-00-772-9277

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
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
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 CodesJNOT STOCKED, CENTRALLY PROCURED # (NON-STOCKED ITEMS) IMM/Service centrally managed but not stocked item. Procurement will be initiated only after receipt of a requisition.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each