PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

500440Synchro,differential Transmitter

Instruments and Flight Research, Inc. · NSN 5990-00-501-2638 · FSC 5990 · No Item Name Available
Verified by PartsTable
NSN 5990-00-501-2638 — this item is cataloged by the U.S. Government under National Stock Number 5990-00-501-2638. Primary manufacturer part number: 500440.
Features
  • Synchro,differential Transmitter — FSC 5990
  • Flange Length: 2.3750 INCHES NOMINAL IN
  • Body Size: 24
  • Terminal Type and Quantity: 5 SCREW
  • Shaft Type: ROUND SINGLE SHAFT
  • Stator Input Voltage Rating in Volts: 15.0 NOMINAL
  • Transformation Ratio: 2.130 ROTOR TO STATOR NOMINAL
  • Shaft Length: 0.3750 INCHES NOMINAL SINGLE SHAFT IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Synchro,differential Transmitter, cataloged under National Stock Number 5990-00-501-2638, 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 Instruments and Flight Research, Inc.. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5990-00-501-2638
Primary Part Number500440
Item NameSynchro,differential Transmitter
FSC / FSG5990 / 59 — No Item Name Available
ManufacturerInstruments and Flight Research, Inc.
StatusCANCELLED
Flange Length2.3750 INCHES NOMINAL IN
Body Size24
Terminal Type and Quantity5 SCREW
Shaft TypeROUND SINGLE SHAFT
Stator Input Voltage Rating in Volts15.0 NOMINAL
Transformation Ratio2.130 ROTOR TO STATOR NOMINAL
Shaft Length0.3750 INCHES NOMINAL SINGLE SHAFT IN
Frequency in Hertz400.0 NOMINAL
Stator Input Current Rating2.2 AMPERES NOMINAL
Flange Width2.3750 INCHES NOMINAL IN
Fragility FactorMODERATELY RUGGED
Shaft Diameter0.1245 INCHES NOMINAL SINGLE SHAFT IN
Stator Input Electrical Power Rating850.0 MILLIWATTS NOMINAL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
5340-00-995-83283987 INTERCHANGEABLE
Bumper
Atlantic India Rubber Co Inc
Cross-Reference Index
Part NumberManufacturer
974B0112 Elbitamerica, Inc. (USA)
500440 PRIMARY Instruments and Flight Research, Inc. (USA)
Related Parts
5340-00-995-8328INTERCHANGEABLE
BUMPER
3987

Frequently Asked Questions

What is NSN 5990-00-501-2638?

NSN 5990-00-501-2638 is a Synchro,differential Transmitter, manufactured by Instruments and Flight Research, Inc., classified under FSC 5990 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5990-00-501-2638?

NSN 5990-00-501-2638 has 2 cross-referenced part numbers: 974B0112 (Elbitamerica, Inc.), 500440 (Instruments and Flight Research, Inc.).

What NSN replaces 5990-00-501-2638?

There is 1 known substitute for 5990-00-501-2638: 5340-00-995-8328. Verify interchangeability with system specifications before substitution.

What are the specifications of 500440?

Key specifications for 500440: Overall Length: 3.4530 INCHES NOMINAL IN; Flange Length: 2.3750 INCHES NOMINAL IN; Body Size: 24; Terminal Type and Quantity: 5 SCREW. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5990-00-501-2638 still in active supply?

NSN 5990-00-501-2638 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com