PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

917123-1Synchro,differential Transmitter

Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp · NSN 5990-00-224-9408 · FSC 5990 · No Item Name Available
Verified by PartsTable
NSN 5990-00-224-9408 — this item is cataloged by the U.S. Government under National Stock Number 5990-00-224-9408. Primary manufacturer part number: 917123-1.
Features
  • Synchro,differential Transmitter — FSC 5990
  • Flange Diameter: 0.7500 INCHES NOMINAL IN
  • Body Style: STANDARD ROUND A
  • Undercut Diameter: 0.5910 INCHES NOMINAL IN
  • Flange Thickness: 0.4250 INCHES MINIMUM AND 0.4550 INCHES MAXIMUM IN
  • Undercut Width: 0.0570 INCHES MAXIMUM IN
  • Pilot Diameter: 0.4997 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN
  • Transformation Ratio: 0.454 ROTOR TO STATOR 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 5990-00-224-9408, 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 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp. Government technical data includes 29 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5990-00-224-9408
Primary Part Number917123-1
Item NameSynchro,differential Transmitter
FSC / FSG5990 / 59 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
StatusACTIVE
Flange Diameter0.7500 INCHES NOMINAL IN
Body StyleSTANDARD ROUND A
Undercut Diameter0.5910 INCHES NOMINAL IN
Flange Thickness0.4250 INCHES MINIMUM AND 0.4550 INCHES MAXIMUM IN
Undercut Width0.0570 INCHES MAXIMUM IN
Pilot Diameter0.4997 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN
Transformation Ratio0.454 ROTOR TO STATOR NOMINAL
Phase Shift Angle in Deg11.500 INPUT TO OUTPUT NOMINAL
Actuator Friction Torque at Plus 25 Deg Celsius1.6 CENTIMETER-GRAMS NOMINAL CM
Shaft Slot Depth0.0250 INCHES NOMINAL SINGLE SHAFT IN
Terminal Type and Quantity5 TURRET
Terminal LocationREAR
Zro Resistance in Ohms60.00 NOMINAL
Plus J Zso Reactance in Ohms38.00 NOMINAL
Zrs Resistance in Ohms90.00 NOMINAL
Pilot Length0.0430 INCHES NOMINAL IN
Shaft TypeROUND, SLOTTED SINGLE SHAFT
Stator Input Voltage Rating in Volts26.0 NOMINAL
Stator Input Current Rating125.0 MILLIAMPERES MAXIMUM
Actuator Friction Torque at Minus 55 Deg Celsius50.0 CENTIMETER-GRAMS NOMINAL CM
Stator Input Electrical Power Rating95.0 MILLIWATTS NOMINAL
Shaft Slot Width0.0200 INCHES NOMINAL SINGLE SHAFT IN
Plus J Zrs Reactance in Ohms20.00 NOMINAL
Frequency in Hertz400.0 NOMINAL
Mounting Surface to Terminal End Distance2.9500 INCHES MAXIMUM IN
Zso Resistance in Ohms13.00 NOMINAL
Rotor DC Resistance in Ohms39.00 NOMINAL
Shaft Diameter0.1109 INCHES MINIMUM AND 0.1200 INCHES MAXIMUM SINGLE SHAFT IN
Shaft Length0.4250 INCHES MINIMUM AND 0.4550 INCHES MAXIMUM SINGLE SHAFT IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5136-00-262-2195FRS T126 INTERCHANGEABLE
Tap,thread Cutting
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
2530-00-274-4443647712 INTERCHANGEABLE
Brake Lining Kit
Am General Llc
5220-00-566-40591440-4 INTERCHANGEABLE
Gage,plug,thread
Stanley Engineered Fastening Llc
5945-00-583-7564 INTERCHANGEABLE
Relay,electromagnetic
4940-00-907-59831440-4 INTERCHANGEABLE
Guide,piston
Lear Siegler Inc Hypro Div
5305-01-138-9547 INTERCHANGEABLE
Screw,cap,hexagon Head
5310-01-178-7335DIN 1440 4 INTERCHANGEABLE
Washer,flat
Metric and Multistandard Components Corp
5330-01-495-937057K4389 INTERCHANGEABLE
Gasket
U S Army Tank Automotive Command Amsta-Im-Mm
5305-01-586-852914404 INTERCHANGEABLE
Screw,cap,hexagon Head
Indiana Mills & Manufacturing Inc Dba Indiana Mills & Manufacturing Inc
6515-01-595-903214404 INTERCHANGEABLE
Faceplate,ostomy Bag
Hollister Inc
Cross-Reference Index
Part NumberManufacturer
WMSRS7-2-13 Dynamic Instrument Corp (USA)
917123-1E Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
917123-1 PRIMARY Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
WMSRS7-2-12 Dynamic Instrument Corp (USA)
14404 Sensor Systems, L.l.c. Dba Sensor Systems Llc (USA)
Related Parts
5136-00-262-2195INTERCHANGEABLE
TAP,THREAD CUTTING
FRS T126
2530-00-274-4443INTERCHANGEABLE
BRAKE LINING KIT
647712
5220-00-566-4059INTERCHANGEABLE
GAGE,PLUG,THREAD
1440-4
5945-00-583-7564INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
4940-00-907-5983INTERCHANGEABLE
GUIDE,PISTON
1440-4
5305-01-138-9547INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
5310-01-178-7335INTERCHANGEABLE
WASHER,FLAT
DIN 1440 4
5330-01-495-9370INTERCHANGEABLE
GASKET
57K4389
5305-01-586-8529INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
14404
6515-01-595-9032INTERCHANGEABLE
FACEPLATE,OSTOMY BAG
14404

Frequently Asked Questions

What is NSN 5990-00-224-9408?

NSN 5990-00-224-9408 is a Synchro,differential Transmitter, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp, classified under FSC 5990 (No Item Name Available). Status: active.

What are the part numbers for NSN 5990-00-224-9408?

NSN 5990-00-224-9408 has 5 cross-referenced part numbers: WMSRS7-2-13 (Dynamic Instrument Corp), 917123-1E (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), 917123-1 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), WMSRS7-2-12 (Dynamic Instrument Corp), 14404 (Sensor Systems, L.l.c. Dba Sensor Systems Llc).

What NSN replaces 5990-00-224-9408?

There are 10 known substitutes for 5990-00-224-9408: 5136-00-262-2195, 2530-00-274-4443, 5220-00-566-4059 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 917123-1?

Key specifications for 917123-1: Flange Diameter: 0.7500 INCHES NOMINAL IN; Overall Length: 3.4050 INCHES MAXIMUM IN; Body Style: STANDARD ROUND A; Undercut Diameter: 0.5910 INCHES NOMINAL 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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