PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4021-7Synchro,differential Receiver

Moog Inc. · NSN 5990-00-678-0885 · FSC 5990 · No Item Name Available
Verified by PartsTable
NSN 5990-00-678-0885 — this item is cataloged by the U.S. Government under National Stock Number 5990-00-678-0885. Primary manufacturer part number: 4021-7.
Features
  • Synchro,differential Receiver — FSC 5990
  • Stator Input Voltage Rating in Volts: 11.8 NOMINAL
  • Body Material: STEEL CORROSION RESISTING
  • Body Style: STANDARD ROUND A
  • Securing Hole Quantity: 4
  • Frequency in Hertz: 400.0 NOMINAL
  • Flange Diameter: 1.4375 INCHES NOMINAL IN
  • Terminal Type and Quantity: 6 WIRE LEAD
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Synchro,differential Receiver, cataloged under National Stock Number 5990-00-678-0885, 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 Moog Inc.. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5990-00-678-0885
Primary Part Number4021-7
Item NameSynchro,differential Receiver
FSC / FSG5990 / 59 — No Item Name Available
ManufacturerMoog Inc.
StatusCANCELLED
Stator Input Voltage Rating in Volts11.8 NOMINAL
Body MaterialSTEEL CORROSION RESISTING
Body StyleSTANDARD ROUND A
Securing Hole Quantity4
Frequency in Hertz400.0 NOMINAL
Flange Diameter1.4375 INCHES NOMINAL IN
Terminal Type and Quantity6 WIRE LEAD
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 11
5340-00-078-7029 INTERCHANGEABLE
Clip,end,strap
4920-00-215-098140217 INTERCHANGEABLE
Housing Assembly
Alliant Techsystems Operations Llc Div Defense Electronic Systems
9340-00-245-7107 INTERCHANGEABLE
Tubing,glass
5905-00-535-91998173008 INTERCHANGEABLE
Resistor,fixed,wire Wound
Us Army Aviation and Missile Command
3040-00-621-813640217 INTERCHANGEABLE
Gearshaft,spur
Honeywell International Inc. Div Aerospace - Torrance
2910-00-633-1328 INTERCHANGEABLE
Pump,fuel,cam Actuated
5315-01-114-1158 INTERCHANGEABLE
Pin,straight,headless
5962-01-225-674640217 INTERCHANGEABLE
Microcircuit,digital
Raytheon Company Div Rmd Strategic
5360-01-306-509440217 INTERCHANGEABLE
Spring,helical,compression
Bell Intl Inc
5310-01-556-652740217 INTERCHANGEABLE
Washer,flat
Fastenal Company Dba Fastenal Co
Cross-Reference Index
Part NumberManufacturer
4021-7 PRIMARY Moog Inc. (USA)
Related Parts
5340-00-078-7029INTERCHANGEABLE
CLIP,END,STRAP
4920-00-215-0981INTERCHANGEABLE
HOUSING ASSEMBLY
40217
9340-00-245-7107INTERCHANGEABLE
TUBING,GLASS
5905-00-535-9199INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
8173008
3040-00-621-8136INTERCHANGEABLE
GEARSHAFT,SPUR
40217
2910-00-633-1328INTERCHANGEABLE
PUMP,FUEL,CAM ACTUATED
5315-01-114-1158INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
5962-01-225-6746INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
40217
5360-01-306-5094INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
40217
5310-01-556-6527INTERCHANGEABLE
WASHER,FLAT
40217
6220-01-701-9125INTERCHANGEABLE
LIGHT,UTILITY,VEHICULAR
40217

Frequently Asked Questions

What is NSN 5990-00-678-0885?

NSN 5990-00-678-0885 is a Synchro,differential Receiver, manufactured by Moog Inc., classified under FSC 5990 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5990-00-678-0885?

NSN 5990-00-678-0885 has 1 cross-referenced part number: 4021-7 (Moog Inc.).

What NSN replaces 5990-00-678-0885?

There are 11 known substitutes for 5990-00-678-0885: 5340-00-078-7029, 4920-00-215-0981, 9340-00-245-7107 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4021-7?

Key specifications for 4021-7: Stator Input Voltage Rating in Volts: 11.8 NOMINAL; Body Material: STEEL CORROSION RESISTING; Body Style: STANDARD ROUND A; Securing Hole Quantity: 4. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5990-00-678-0885 still in active supply?

NSN 5990-00-678-0885 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