Product Details | ELECTRICAL RESOLVER

5990-00-721-6663 An item consisting of a rotor and a stator inductively coupled. It usually has two rotor windings displaced from each other by 90 degrees and two stator windings similarly displaced. The output voltage(s) is a trigonometric function of the input voltage(s) and the angular displacement of the rotor with respect to the stator. See also SYNCHRO (as modified) and GONIOMETER, ELECTRICAL. Excludes TRANSOLVER, ELECTRICAL and potentiometer sine/cosine electrical resolvers.

Part Alternates: R93143A, R931-43A, RS93143A, RS931-43A, 5990-00-721-6663, 00-721-6663, 5990007216663, 007216663

Electrical and Electronic Equipment Components | Synchros and Resolvers

Supply Group (FSG) NSN Assign. NIIN
59 01 JAN 1963 00-721-6663

Drawings & Photos | NSN 5990-00-721-6663


Cross Reference | NSN 5990-00-721-6663

Part Number Cage Code Manufacturer
R931-43A 88818 KEARFOTT CORPORATION DBA KEARFOTT
RS931-43A 88818 KEARFOTT CORPORATION DBA KEARFOTT

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Technical Data | NSN 5990-00-721-6663

Characteristic Specifications
BODY SIZE 11
STATOR INPUT VOLTAGE RATING IN VOLTS NOT RATED
STATOR INPUT CURRENT RATING NOT RATED
STATOR INPUT ELECTRICAL POWER RATING NOT RATED
ROTOR INPUT VOLTAGE RATING IN VOLTS 26.0 NOMINAL
ROTOR INPUT CURRENT RATING 20.0 MILLIAMPERES NOMINAL
ROTOR INPUT ELECTRICAL POWER RATING 150.0 MILLIWATTS NOMINAL
FREQUENCY IN HERTZ 400.0 NOMINAL
ZRO IMPEDANCE MAGNITUDE IN OHMS 1680.00 NOMINAL
ZRO IMPEDANCE ANGLE IN DEG 78.50 NOMINAL
ZSO IMPEDANCE MAGNITUDE IN OHMS 1400.00 NOMINAL
ZSO IMPEDANCE ANGLE IN DEG 78.00 NOMINAL
ROTOR DC RESISTANCE IN OHMS 161.50 MINIMUM AND 218.50 MAXIMUM
STATOR DC RESISTANCE IN OHMS 144.50 MINIMUM AND 195.50 MAXIMUM
TRANSFORMATION RATIO 0.975 ROTOR TO STATOR NOMINAL
PHASE SHIFT ANGLE IN DEG 7.000 INPUT TO OUTPUT NOMINAL
MAXIMUM TEMP RISE 1.0 DEG CELSIUS
MAXIMUM FUNDAMENTAL NULL VOLTAGE IN MILLIVOLTS PER VOLT 29.00 OUTPUT
MAXIMUM TOTAL NULL VOLTAGE OUTPUT IN MILLIVOLTS PER VOLT 75.00
ACTUATOR FRICTION TORQUE AT MINUS 55 DEG CELSIUS 16.0 CENTIMETER-GRAMS NOMINAL
ACTUATOR FRICTION TORQUE AT PLUS 25 DEG CELSIUS 4.0 CENTIMETER-GRAMS NOMINAL
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 1.8520 INCHES MINIMUM AND 1.8640 INCHES MAXIMUM
FLANGE DIAMETER 1.0570 INCHES MINIMUM AND 1.0650 INCHES MAXIMUM
FLANGE THICKNESS 0.0900 INCHES MINIMUM AND 0.0960 INCHES MAXIMUM
UNDERCUT DIAMETER 0.9700 INCHES MINIMUM AND 0.9800 INCHES MAXIMUM
UNDERCUT WIDTH 0.0450 INCHES MINIMUM AND 0.0550 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 1.7620 INCHES MINIMUM AND 1.7680 INCHES MAXIMUM
SHAFT TYPE ROUND, SLOTTED SINGLE SHAFT
SHAFT DIAMETER 0.1195 INCHES MINIMUM AND 0.1200 INCHES MAXIMUM SINGLE SHAFT
SHAFT LENGTH 0.3120 INCHES NOMINAL SINGLE SHAFT
SHAFT SLOT DEPTH 0.0250 INCHES NOMINAL SINGLE SHAFT
SHAFT SLOT WIDTH 0.0200 INCHES NOMINAL SINGLE SHAFT
TERMINAL TYPE AND QUANTITY 7 WIRE LEAD

Restrictions/Controls & Freight Information | NSN 5990-00-721-6663

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 72D 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 5990-00-721-6663

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