PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SK100851Synchro,receiver

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 5990-00-504-8279 · FSC 5990 · No Item Name Available
Verified by PartsTable
NSN 5990-00-504-8279 — this item is cataloged by the U.S. Government under National Stock Number 5990-00-504-8279. Primary manufacturer part number: SK100851.
Features
  • Synchro,receiver — FSC 5990
  • Flange Thickness: 0.2450 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN
  • Flange Diameter: 3.6230 INCHES MINIMUM AND 3.6250 INCHES MAXIMUM IN
  • Pilot Diameter: 1.6300 INCHES MAXIMUM IN
  • Body Style: STANDARD ROUND DOUBLE FLANGE B
  • Shoulder Diameter: 3.3750 INCHES MAXIMUM IN
  • Length: 1.2450 INCHES MINIMUM AND 1.2550 INCHES MAXIMUM SHOULDER IN
  • Rotor Input Electrical Power Rating: 7.0 WATTS MAXIMUM
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Synchro,receiver, cataloged under National Stock Number 5990-00-504-8279, 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 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 22 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5990-00-504-8279
Primary Part NumberSK100851
Item NameSynchro,receiver
FSC / FSG5990 / 59 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusCANCELLED
Flange Thickness0.2450 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN
Flange Diameter3.6230 INCHES MINIMUM AND 3.6250 INCHES MAXIMUM IN
Pilot Diameter1.6300 INCHES MAXIMUM IN
Body StyleSTANDARD ROUND DOUBLE FLANGE B
Shoulder Diameter3.3750 INCHES MAXIMUM IN
Length1.2450 INCHES MINIMUM AND 1.2550 INCHES MAXIMUM SHOULDER IN
Rotor Input Electrical Power Rating7.0 WATTS MAXIMUM
Pilot Length0.1750 INCHES NOMINAL IN
Shaft Length0.7600 INCHES MINIMUM AND 0.7800 INCHES MAXIMUM SINGLE SHAFT IN
Maximum Temp Rise50.0 CELSIUS DEGC
Rotor Input Voltage Rating in Volts115.0 NOMINAL
Terminal LocationREAR
Shaft Thread Series DesignatorUNF SINGLE SHAFT
Shaft End Play0.0081 INCHES NOMINAL IN
Terminal Type and Quantity5 SCREW
Shaft Nominal Thread Size0.250 INCHES SINGLE SHAFT IN
Test Data Document81349-MIL-S-2335 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
Body Size5
Shaft Diameter0.2498 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM SINGLE SHAFT IN
Specification/standard Data81349-MIL-S-2335 GOVERNMENT SPECIFICATION
Frequency in Hertz60.0 NOMINAL
Body MaterialSTEEL CORROSION RESISTING
Rotor Input Current Rating600.0 MILLIAMPERES MAXIMUM
Torque Gradient Per Angular Deg0.400 INCH-OUNCES MINIMUM IN
Shaft Thread Class2A SINGLE SHAFT A
Fragility FactorMODERATELY RUGGED
Distance Between Flanges1.8070 INCHES MINIMUM AND 1.8170 INCHES MAXIMUM IN
Shaft TypeROUND, THREADED SINGLE SHAFT
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5930-00-067-411130005-2 INTERCHANGEABLE
Switch,push
Staco Systems, Inc. Dba Staco Systems Div Dba Staco Systems
1680-00-105-3834212767 INTERCHANGEABLE
Retainer Cartridge
Kidde Technologies, Inc Div Kidde Aerospace and Defense
5990-00-268-9068 INTERCHANGEABLE
Synchro,control Transformer
5990-00-268-9074 INTERCHANGEABLE
Synchro,differential Transmitter
5990-00-268-9075 INTERCHANGEABLE
Synchro,differential Transmitter
5990-00-268-9081 INTERCHANGEABLE
Synchro,transmitter
5990-00-268-9089 INTERCHANGEABLE
Synchro,transmitter
6930-00-341-52175FMK4 INTERCHANGEABLE
Synchronizer,headin
Lockheed Martin Corporation Div Rms - Mitchel Field
5990-00-503-0594 INTERCHANGEABLE
Synchro,control Transformer
6625-00-519-1864 INTERCHANGEABLE
Ammeter
Cross-Reference Index
Part NumberManufacturer
SK100851 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
561792PC1REVL Naval Sea Systems Command (USA)
1184701 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
SK60190 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
F16M4098 Naval Ship Systems Command (USA)
SK106058 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
SK39746 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
MIL-S-2335 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
300052 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
5F MARK 4 Honeywell Intl Inc Defense Avionics Systems (USA)
164366 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
SK57715 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
212767 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
173005 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
SK57366 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
561792-1 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
5FMK4 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
292811 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
DL4W453A5 General Electric Company (USA)
109661 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
Related Parts
5930-00-067-4111INTERCHANGEABLE
SWITCH,PUSH
30005-2
1680-00-105-3834INTERCHANGEABLE
RETAINER CARTRIDGE
212767
5990-00-268-9068INTERCHANGEABLE
SYNCHRO,CONTROL TRANSFORMER
5990-00-268-9074INTERCHANGEABLE
SYNCHRO,DIFFERENTIAL TRANSMITTER
5990-00-268-9075INTERCHANGEABLE
SYNCHRO,DIFFERENTIAL TRANSMITTER
5990-00-268-9081INTERCHANGEABLE
SYNCHRO,TRANSMITTER
5990-00-268-9089INTERCHANGEABLE
SYNCHRO,TRANSMITTER
6930-00-341-5217INTERCHANGEABLE
SYNCHRONIZER,HEADIN
5FMK4
5990-00-503-0594INTERCHANGEABLE
SYNCHRO,CONTROL TRANSFORMER
6625-00-519-1864INTERCHANGEABLE
AMMETER
5990-00-556-9851INTERCHANGEABLE
SYNCHRO,DIFFERENTIAL TRANSMITTER
5990-00-578-7755INTERCHANGEABLE
SYNCHRO,DIFFERENTIAL TRANSMITTER
7411379P1

Frequently Asked Questions

What is NSN 5990-00-504-8279?

NSN 5990-00-504-8279 is a Synchro,receiver, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5990 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5990-00-504-8279?

NSN 5990-00-504-8279 has 22 cross-referenced part numbers: SK100851 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 561792PC1REVL (Naval Sea Systems Command), 1184701 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), SK60190 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), F16M4098 (Naval Ship Systems Command) and 17 more.

What NSN replaces 5990-00-504-8279?

There are 12 known substitutes for 5990-00-504-8279: 5930-00-067-4111, 1680-00-105-3834, 5990-00-268-9068 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SK100851?

Key specifications for SK100851: Flange Thickness: 0.2450 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN; Overall Length: 6.3600 INCHES MAXIMUM IN; Flange Diameter: 3.6230 INCHES MINIMUM AND 3.6250 INCHES MAXIMUM IN; Pilot Diameter: 1.6300 INCHES MAXIMUM IN. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5990-00-504-8279 still in active supply?

NSN 5990-00-504-8279 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.
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