PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

501008-3Synchro,control Transformer

Raytheon Company Dba Raytheon · NSN 5990-00-946-8587 · FSC 5990 · No Item Name Available
Verified by PartsTable
NSN 5990-00-946-8587 — this item is cataloged by the U.S. Government under National Stock Number 5990-00-946-8587. Primary manufacturer part number: 501008-3.
Features
  • Synchro,control Transformer — FSC 5990
  • Rotor DC Resistance in Ohms: 420.00 NOMINAL
  • Terminal Type and Quantity: 5 WIRE LEAD
  • Stator Input Voltage Rating in Volts: 11.8 NOMINAL
  • Zro Impedance Angle in Deg: 75.00 NOMINAL
  • Stator Input Electrical Power Rating: 100.0 MILLIWATTS NOMINAL
  • Shaft Length: 0.4370 INCHES NOMINAL SINGLE SHAFT IN
  • Zso Impedance Angle in Deg: 75.00 NOMINAL
Applications
  • Applications requiring Steel Corrosion Resisting Body construction
General Description

The Synchro,control Transformer, cataloged under National Stock Number 5990-00-946-8587, is classified within Federal Supply Class 5990 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Raytheon Company Dba Raytheon. Government technical data includes 30 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5990-00-946-8587
Primary Part Number501008-3
Item NameSynchro,control Transformer
FSC / FSG5990 / 59 — No Item Name Available
ManufacturerRaytheon Company Dba Raytheon
StatusACTIVE
Rotor DC Resistance in Ohms420.00 NOMINAL
Terminal Type and Quantity5 WIRE LEAD
Stator Input Voltage Rating in Volts11.8 NOMINAL
Zro Impedance Angle in Deg75.00 NOMINAL
Stator Input Electrical Power Rating100.0 MILLIWATTS NOMINAL
Shaft Length0.4370 INCHES NOMINAL SINGLE SHAFT IN
Zso Impedance Angle in Deg75.00 NOMINAL
Electrical Error Angular Range in Minutes-3.0 TO 3.0
Body Size8
Phase Shift Angle in Deg10.000 INPUT TO OUTPUT NOMINAL
Actuator Friction Torque at Minus 55 Deg Celsius9.0 CENTIMETER-GRAMS MAXIMUM CM
Shaft TypeROUND, SLOTTED SINGLE SHAFT
Pilot Length0.0400 INCHES NOMINAL IN
Mounting Surface to Terminal End Distance1.2410 INCHES MAXIMUM IN
Stator Input Current Rating30.0 MILLIAMPERES MAXIMUM
MaterialSTEEL CORROSION RESISTING BODY
Actuator Friction Torque at Plus 25 Deg Celsius3.0 CENTIMETER-GRAMS NOMINAL CM
Maximum Fundamental Null Voltage in Millivolts Per Volt34.00 OUTPUT
Maximum Temp Rise3.0 CELSIUS DEGC
Transformation Ratio2.203 ROTOR TO STATOR NOMINAL
Shaft Diameter0.0900 INCHES NOMINAL SINGLE SHAFT IN
Zro Impedance Magnitude in Ohms2490.00 NOMINAL
Shaft Slot Depth0.5000 INCHES NOMINAL SINGLE SHAFT IN
Terminal LocationREAR
Frequency in Hertz400.0 NOMINAL
Zso Impedance Magnitude in Ohms430.00 NOMINAL
Stator DC Resistance in Ohms105.00 NOMINAL
Shaft Slot Width0.0200 INCHES NOMINAL SINGLE SHAFT IN
Maximum Total Null Voltage Output in Millivolts Per Volt53.00
Flange Diameter0.7500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
3455-01-012-100819755 INTERCHANGEABLE
Reamer,machine
Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa
5940-01-213-7280501008-3 INTERCHANGEABLE
Standoff
Aimtron Systems, Llc
Cross-Reference Index
Part NumberManufacturer
501008-3 PRIMARY Raytheon Company Dba Raytheon (USA)
U210226 Transicoil Llc Dba Ads Transicoil Div Transicoil (USA)
CM41004052 Kearfott Corporation Div Guidance and Navigation Division (USA)
CM41004052 Kearfott Corp Soma Forwarding Div (USA)
Related Parts
3455-01-012-1008INTERCHANGEABLE
REAMER,MACHINE
19755
5940-01-213-7280INTERCHANGEABLE
STANDOFF
501008-3

Frequently Asked Questions

What is NSN 5990-00-946-8587?

NSN 5990-00-946-8587 is a Synchro,control Transformer, manufactured by Raytheon Company Dba Raytheon, classified under FSC 5990 (No Item Name Available). Status: active.

What are the part numbers for NSN 5990-00-946-8587?

NSN 5990-00-946-8587 has 4 cross-referenced part numbers: 501008-3 (Raytheon Company Dba Raytheon), U210226 (Transicoil Llc Dba Ads Transicoil Div Transicoil), CM41004052 (Kearfott Corporation Div Guidance and Navigation Division), CM41004052 (Kearfott Corp Soma Forwarding Div).

What NSN replaces 5990-00-946-8587?

There are 2 known substitutes for 5990-00-946-8587: 3455-01-012-1008, 5940-01-213-7280. Verify interchangeability with system specifications before substitution.

What are the specifications of 501008-3?

Key specifications for 501008-3: Rotor DC Resistance in Ohms: 420.00 NOMINAL; Terminal Type and Quantity: 5 WIRE LEAD; Stator Input Voltage Rating in Volts: 11.8 NOMINAL; Zro Impedance Angle in Deg: 75.00 NOMINAL. 30 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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