NSN 5990-01-025-7464, 5990010257464
RESOLVER,ELECTRICAL

Federal Supply Classification: FSC 5990 - Synchros and Resolvers
National Item Identification Number: NIIN 010257464
Codification Country: United States
Item Name Code: INC 22966
Criticality: (X) This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Hazardous Material Indicator Code: (N) There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials.

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DLMS^® Summary

National Stock Number 5990-01-025-7464

National Stock Number (NSN) 5990-01-025-7464, or NIIN 010257464, (resolver,electrical) was assigned August 8, 1976 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are 2 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts.

This part number has not been procured by the US Government in over 5 years.

Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 02, 2006, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The Government has unlimited rights to the technical data, and the data package is complete. Valid AMCs: 1 and 2.

This NSN is assigned to Item Name Code (INC) 22966. [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.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 5990010257464 contains an unknown precious metal.

This NSN is associated to Schedule B 9018903000: anesthetic instruments and appliances and parts and accessories. The Schedule B End Use is listed as medicinal equipment. NAICS classification category 339112: surgical and medical instrument manufacturing.

This information was last updated on Aug 01, 2025.

Technical Characteristics

PILOT LENGTH: (AJWQ) 0.0380 NOMINAL MILS AND 0.0480 NOMINAL CENTIMETERS
BODY MATERIAL: (AAFZ) STEEL, CORROSION RESISTING
SCHEMATIC DIAGRAM DESIGNATOR: (AEBZ) ERR-090
ELECTRICAL ERROR ANGULAR RANGE IN MINUTES: (AJVL) -3.0/+3.0
INTERAXIS ERROR ANGULAR RANGE IN MINUTES: (AJVJ) -3.0/+3.0
MAXIMUM TEMP RISE: (AHCG) 10.0 DEG CELSIUS
OUTPUT VOLTAGE FUNCTIONAL ERROR RANGE IN PERCENT: (AJVK) -0.1/+0.1
ACTUATOR FRICTION TORQUE AT MINUS 55 DEG CELSIUS: (AJVS) 30.0 CENTIMETER-GRAMS NOMINAL
ACTUATOR FRICTION TORQUE AT PLUS 25 DEG CELSIUS: (AJVT) 15.0 CENTIMETER-GRAMS NOMINAL
BODY SIZE: (AJSL) 20
BODY STYLE: (AAQL) STANDARD ROUND A
COMPENSATION METHOD: (AJTX) WINDING COMPENSATED
ELECTRICAL ERROR ANGULAR RANGE IN MINUTES: (AJVL) -3.0 TO 3.0
FLANGE DIAMETER: (ABKK) 1.9950 INCHES MINIMUM AND 2.0050 INCHES MAXIMUM
FLANGE THICKNESS: (ABKU) 0.0880 INCHES MINIMUM AND 0.0980 INCHES MAXIMUM
FRAGILITY FACTOR: (AFJN) MODERATELY RUGGED
FREQUENCY IN HERTZ: (AJSS) 400.0 NOMINAL
INTERAXIS ERROR ANGULAR RANGE IN MINUTES: (AJVJ) -3.0 TO 3.0
PILOT DIAMETER: (AAVL) 1.8740 INCHES MINIMUM AND 1.8750 INCHES MAXIMUM
PILOT LENGTH: (AJWQ) 0.0380 INCHES MINIMUM AND 0.0480 INCHES MAXIMUM
PHASE SHIFT ANGLE IN DEG: (AJVF) 0.100 INPUT TO OUTPUT NOMINAL
MATERIAL: (MATT) STEEL CORROSION RESISTING BODY
MAXIMUM FUNDAMENTAL NULL VOLTAGE IN MILLIVOLTS PER VOLT: (AJVG) 20.00 INPUT
MAXIMUM TEMP RISE: (AHCG) 10.0 CELSIUS
MAXIMUM TOTAL NULL VOLTAGE OUTPUT IN MILLIVOLTS PER VOLT: (AJVH) 25.00
MOUNTING SURFACE TO TERMINAL END DISTANCE: (AJWX) 1.1650 INCHES MAXIMUM
OUTPUT VOLTAGE FUNCTIONAL ERROR RANGE IN PERCENT: (AJVK) -0.1 TO 0.1
OVERALL LENGTH: (ABHP) 1.6530 INCHES MAXIMUM
SCHEMATIC DIAGRAM DESIGNATOR: (AEBZ) 2 ROTOR, 2 STATOR, 2 COMPENSATOR, 2 RESISTOR
SHAFT LENGTH: (ABXF) 0.4100 INCHES MINIMUM AND 0.4400 INCHES MAXIMUM SINGLE SHAFT
SHAFT DIAMETER: (ABWV) 0.0895 INCHES MINIMUM AND 0.0900 INCHES MAXIMUM SINGLE SHAFT
SHAFT END PLAY DETERMINING WEIGHT: (CWYF) 8.0 OUNCES
SHAFT END PLAY: (AJWH) 0.0005 INCHES MINIMUM AND 0.0015 INCHES MAXIMUM
SHAFT MAXIMUM RUNOUT: (AJXB) 0.0010 INCHES
SHAFT MAXIMUM RADIAL PLAY: (AJWG) 0.0008 INCHES
SHAFT RADIAL PLAY DETERMINING WEIGHT: (CWXK) 4.0 OUNCES
SHAFT RADIAL PLAY TEST POINT: (AJWE) 0.250 INCHES NOMINAL
SHAFT TYPE: (CRSJ) ROUND SINGLE SHAFT
STATOR INPUT CURRENT RATING: (AJSP) 30.0 MILLIAMPERES MAXIMUM
STATOR INPUT VOLTAGE RATING IN VOLTS: (AJSN) 20.0 MAXIMUM
TERMINAL DESIGNATOR AND SCHEMATIC POSITION: (AJWP) CONNECTION R1 POSITION H AND CONNECTION R2 POSITION G AND CONNECTION R3 POSITION E AND CONNECTION R4 POSITION J AND CONNECTION S1 POSITION L AND CONNECTION S2 POSITION M AND CONNECTION S3 POSITION K AND CONNECTION S4 POSITION N AND CONNECTION C1 POSITION D AND CONNECTION C2 POSITION C AND CONNECTION C3 POSITION A AND CONNECTION C4 POSITION B
TERMINAL LOCATION: (CQTM) SIDE
TERMINAL TYPE AND QUANTITY: (TTQY) 12 WIRE LEAD
TRANSFORMATION RATIO EQUALITY IN PERCENT: (AJTW) 0.1 MAXIMUM
TRANSFORMATION RATIO: (CSJY) 1.000 ROTOR TO STATOR NOMINAL
UNDERCUT DIAMETER: (ABPA) 1.8750 INCHES MAXIMUM
UNDERCUT WIDTH: (ABPC) 0.0730 INCHES MINIMUM
ZRO IMPEDANCE MAGNITUDE IN OHMS: (AJTG) 500.00 MAXIMUM
ZSO IMPEDANCE ANGLE IN DEG: (AJTK) 35.00 NOMINAL
ZSO IMPEDANCE MAGNITUDE IN OHMS: (AJTJ) 500000.00 MINIMUM
III SCHEMATIC DIAGRAM DESIGNATOR: (AEBZ) 2 ROTOR, 2 STATOR, 2 COMPENSATOR, 2 RESISTOR