PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2999926Synchro,differential Transmitter

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 5990-01-054-3227 · FSC 5990 · No Item Name Available
Verified by PartsTable
NSN 5990-01-054-3227 — this item is cataloged by the U.S. Government under National Stock Number 5990-01-054-3227. Primary manufacturer part number: 2999926.
Features
  • Synchro,differential Transmitter — FSC 5990
  • Torque Gradient Per Angular Deg: 7.000 INCH-OUNCES MINIMUM IN
  • Body Material: STEEL CORROSION RESISTING
  • Flange Thickness: 0.2500 INCHES NOMINAL IN
  • Pilot Diameter: 0.2402 INCHES MINIMUM AND 0.2405 INCHES MAXIMUM IN
  • Shaft Thread Series Designator: UNF SINGLE SHAFT
  • Shaft Length: 0.6930 INCHES MINIMUM AND 0.7190 INCHES MAXIMUM SINGLE SHAFT IN
  • Flange Diameter: 2.2490 INCHES MINIMUM AND 2.2510 INCHES MAXIMUM 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 5990-01-054-3227, 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 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 29 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5990-01-054-3227
Primary Part Number2999926
Item NameSynchro,differential Transmitter
FSC / FSG5990 / 59 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Torque Gradient Per Angular Deg7.000 INCH-OUNCES MINIMUM IN
Body MaterialSTEEL CORROSION RESISTING
Flange Thickness0.2500 INCHES NOMINAL IN
Pilot Diameter0.2402 INCHES MINIMUM AND 0.2405 INCHES MAXIMUM IN
Shaft Thread Series DesignatorUNF SINGLE SHAFT
Shaft Length0.6930 INCHES MINIMUM AND 0.7190 INCHES MAXIMUM SINGLE SHAFT IN
Flange Diameter2.2490 INCHES MINIMUM AND 2.2510 INCHES MAXIMUM IN
Shaft Thread DirectionRIGHT-HAND SINGLE SHAFT
Body Diameter1.9985 INCHES MINIMUM AND 1.9995 INCHES MAXIMUM IN
Body StyleSTANDARD ROUND D
Shoulder Diameter1.9850 INCHES MINIMUM AND 1.9900 INCHES MAXIMUM IN
Second Shoulder Diameter1.9985 INCHES MINIMUM AND 1.9995 INCHES MAXIMUM IN
Second Shoulder Length0.0300 INCHES MINIMUM AND 0.3600 INCHES MAXIMUM IN
Length0.0070 INCHES NOMINAL SHOULDER IN
Fragility FactorMODERATELY RUGGED
Aft of First Flange Diameter1.9985 INCHES MINIMUM AND 1.9995 INCHES MAXIMUM IN
Shaft Thread Length0.3000 INCHES MINIMUM AND 0.3600 INCHES MAXIMUM SINGLE SHAFT IN
Frequency in Hertz50.0 MINIMUM AND 440.0 MAXIMUM
Shaft Diameter0.1850 INCHES NOMINAL SINGLE SHAFT IN
Stator Input Current Rating230.0 MILLIAMPERES NOMINAL
Body Size23
Terminal LocationREAR
Mounting Surface to Terminal End Distance3.4400 INCHES NOMINAL IN
Shaft Thread Class2A SINGLE SHAFT A
Terminal Type and Quantity7 SCREW
Shaft TypeROUND, THREADED SINGLE SHAFT
Stator Input Voltage Rating in Volts115.0 NOMINAL
Shaft Nominal Thread Size0.250 INCHES SINGLE SHAFT IN
Stator Input Electrical Power Rating10.0 WATTS MAXIMUM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5840-00-135-9797VTSN23-64E2 INTERCHANGEABLE
Torqsyn
General Dynamics Motion Control Llc
6105-00-530-5203TSN23-64N2 INTERCHANGEABLE
Motor,torque
General Dynamics Motion Control Llc
Cross-Reference Index
Part NumberManufacturer
VTSN23-64E2 General Dynamics Motion Control Llc (USA)
2999926 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
Related Parts
5840-00-135-9797INTERCHANGEABLE
TORQSYN
VTSN23-64E2
6105-00-530-5203INTERCHANGEABLE
MOTOR,TORQUE
TSN23-64N2

Frequently Asked Questions

What is NSN 5990-01-054-3227?

NSN 5990-01-054-3227 is a Synchro,differential Transmitter, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5990 (No Item Name Available). Status: active.

What are the part numbers for NSN 5990-01-054-3227?

NSN 5990-01-054-3227 has 2 cross-referenced part numbers: VTSN23-64E2 (General Dynamics Motion Control Llc), 2999926 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).

What NSN replaces 5990-01-054-3227?

There are 2 known substitutes for 5990-01-054-3227: 5840-00-135-9797, 6105-00-530-5203. Verify interchangeability with system specifications before substitution.

What are the specifications of 2999926?

Key specifications for 2999926: Torque Gradient Per Angular Deg: 7.000 INCH-OUNCES MINIMUM IN; Body Material: STEEL CORROSION RESISTING; Flange Thickness: 0.2500 INCHES NOMINAL IN; Pilot Diameter: 0.2402 INCHES MINIMUM AND 0.2405 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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