PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

R1041-1ASynchro,differential Transmitter

Kearfott Corporation Div Guidance and Navigation Division · NSN 5990-00-583-9594 · FSC 5990 · No Item Name Available
Verified by PartsTable
NSN 5990-00-583-9594 — this item is cataloged by the U.S. Government under National Stock Number 5990-00-583-9594. Primary manufacturer part number: R1041-1A.
Features
  • Synchro,differential Transmitter — FSC 5990
  • Pilot Diameter: 0.4995 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN
  • Body Style: STANDARD ROUND A
  • Flange Diameter: 0.4995 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN
  • Undercut Width: 0.0620 INCHES NOMINAL IN
  • Flange Thickness: 0.0620 INCHES NOMINAL IN
  • Undercut Diameter: 0.6870 INCHES NOMINAL IN
  • Frequency in Hertz: 400.0 NOMINAL
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Synchro,differential Transmitter, cataloged under National Stock Number 5990-00-583-9594, 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 Kearfott Corporation Div Guidance and Navigation Division. Government technical data includes 29 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5990-00-583-9594
Primary Part NumberR1041-1A
Item NameSynchro,differential Transmitter
FSC / FSG5990 / 59 — No Item Name Available
ManufacturerKearfott Corporation Div Guidance and Navigation Division
StatusACTIVE
Pilot Diameter0.4995 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN
Body StyleSTANDARD ROUND A
Flange Diameter0.4995 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN
Undercut Width0.0620 INCHES NOMINAL IN
Flange Thickness0.0620 INCHES NOMINAL IN
Undercut Diameter0.6870 INCHES NOMINAL IN
Frequency in Hertz400.0 NOMINAL
Maximum Total Null Voltage Output in Millivolts Per Volt26.00
Body MaterialSTEEL CORROSION RESISTING
Transformation Ratio1.154 ROTOR TO STATOR NOMINAL
Shaft Diameter0.1195 INCHES MINIMUM AND 0.1200 INCHES MAXIMUM SINGLE SHAFT IN
Stator Input Voltage Rating in Volts11.8 NOMINAL
Zso Impedance Angle in Deg68.50 NOMINAL
Shaft Slot Width0.0250 INCHES NOMINAL SINGLE SHAFT IN
Electrical Error Angular Range in Minutes-10.0 TO 10.0
Zro Impedance Angle in Deg73.00 NOMINAL
Stator Input Current Rating145.0 MILLIAMPERES MAXIMUM
Fragility FactorMODERATELY RUGGED
Mounting Surface to Terminal End Distance1.2810 INCHES MAXIMUM IN
Stator Input Electrical Power Rating380.0 MILLIWATTS NOMINAL
Shaft Length0.4610 INCHES MINIMUM AND 0.4750 INCHES MAXIMUM SINGLE SHAFT IN
Maximum Fundamental Null Voltage in Millivolts Per Volt17.00 OUTPUT
Pilot Length0.0400 INCHES NOMINAL IN
Terminal Type and Quantity6 WIRE LEAD
Terminal LocationREAR
Maximum Temp Rise3.0 CELSIUS DEGC
Stator DC Resistance in Ohms25.00 NOMINAL
Body Size8
Zro Impedance Magnitude in Ohms79.00 NOMINAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5910-00-050-5105123-101 INTERCHANGEABLE
Capacitor,fixed,ceramic Dielectr
General Instrument Corporation Dba Motorola Div Motorola Mobility - Home Division
5950-00-892-8312SM-C-450410 INTERCHANGEABLE
Reactor
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5930-01-018-17391-2310-1 INTERCHANGEABLE
Switch,rotary
Electro Switch Corp. Dba Electro Switch Corp
3130-01-109-1431123804 INTERCHANGEABLE
Bearing Unit,ball
Reliance Electric Company Dba Reliance & Dodge Brands
4730-01-235-5782209P-12-4 INTERCHANGEABLE
Bushing,pipe
Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters
Cross-Reference Index
Part NumberManufacturer
R1041-1A PRIMARY Kearfott Corporation Div Guidance and Navigation Division (USA)
5M454-1A10 The Boeing Company Div Defense (USA)
123-10-1 Kearfott Corporation Div Guidance and Navigation Division (USA)
Related Parts
5910-00-050-5105INTERCHANGEABLE
CAPACITOR,FIXED,CERAMIC DIELECTR
123-101
5950-00-892-8312INTERCHANGEABLE
REACTOR
SM-C-450410
5930-01-018-1739INTERCHANGEABLE
SWITCH,ROTARY
1-2310-1
3130-01-109-1431INTERCHANGEABLE
BEARING UNIT,BALL
123804
4730-01-235-5782INTERCHANGEABLE
BUSHING,PIPE
209P-12-4

Frequently Asked Questions

What is NSN 5990-00-583-9594?

NSN 5990-00-583-9594 is a Synchro,differential Transmitter, manufactured by Kearfott Corporation Div Guidance and Navigation Division, classified under FSC 5990 (No Item Name Available). Status: active.

What are the part numbers for NSN 5990-00-583-9594?

NSN 5990-00-583-9594 has 3 cross-referenced part numbers: R1041-1A (Kearfott Corporation Div Guidance and Navigation Division), 5M454-1A10 (The Boeing Company Div Defense), 123-10-1 (Kearfott Corporation Div Guidance and Navigation Division).

What NSN replaces 5990-00-583-9594?

There are 5 known substitutes for 5990-00-583-9594: 5910-00-050-5105, 5950-00-892-8312, 5930-01-018-1739 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of R1041-1A?

Key specifications for R1041-1A: Pilot Diameter: 0.4995 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN; Body Style: STANDARD ROUND A; Flange Diameter: 0.4995 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN; Overall Length: 1.7620 INCHES MINIMUM AND 1.7660 INCHES MAXIMUM IN. 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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