1779939-4

View detailed technical data, stock status, and sourcing information for: 1779939-4
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5990 Synchros and Resolvers

National Stock Number

5990-00-825-5208

Item Name Code

02073

Assigment Date

01/01/1962 (64 years ago)

0.4995 inches minimum and 0.5000 inches maximum pilot diameter, 2.0530 inches nominal overall length, 0.9360 inches minimum and 0.9370 inches maximum flange diameter, standard round c body style, 0.8118 inches minimum and 0.8123 inches maximum shoulder diameter

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Body Style: standard round c
Shoulder Diameter: 0.8118 inches minimum and 0.8123 inches maximum
Pilot Diameter: 0.4995 inches minimum and 0.5000 inches maximum
Overall Length: 2.0530 inches nominal
Flange Diameter: 0.9360 inches minimum and 0.9370 inches maximum
Flange Thickness: 0.0630 inches nominal
Undercut Diameter: 0.8400 inches nominal
Undercut Width: 0.0620 inches nominal
Shaft Diameter: 0.0895 inches minimum and 0.0900 inches maximum both shafts
Shaft Length: 0.2500 inches nominal rear shaft
Shaft Length: 0.5620 inches nominal front shaft
Fragility Factor: moderately rugged
Body Size: 10
Rotor Input Voltage Rating In Volts: 26.0 nominal
Frequency In Hertz: 400.0 nominal
Rotor Input Current Rating: 170.0 milliamperes nominal
Rotor Input Electrical Power Rating: 760.0 milliwatts nominal
Torque Gradient Per Angular Deg: 2790.0 millimeter-milligrams nominal
Alignment Hole Quantity: 3
Pilot Length: 0.0380 inches nominal
Shoulder Length: unable to decode
Mounting Surface To Terminal End Distance: 1.2410 inches maximum
Body Material: steel corrosion resisting
Terminal Location: rear
Shaft Slot Depth: 0.0310 inches nominal both shafts
Shaft Slot Width: 0.0270 inches nominal both shafts
Shaft Type: round, slotted both shafts
Alignment Hole Depth: 0.0500 inches maximum
Transformation Ratio: 0.454 rotor to stator nominal
Alignment Hole Bolt Circle Diameter: 0.6780 inches nominal
Terminal Type And Quantity: 5 wire lead

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
1779939-4	Transmitter Synchro
CGH-10-JS-4/A003	Transmitter Synchro
CGH10JS40	Transmitter Synchro

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5990-00-825-5208?

The FSCG of the NSN 5990-00-825-5208 is 5990

Does the NSN 5990-00-825-5208 have a Schedule B code assigned?

Yes, the Schedule B code is 9014900000

Does NSN 5990-00-825-5208 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 5990-00-825-5208 contain precious materials?

Precious metal content is unknown

Does NSN 5990-00-825-5208 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 5990-00-825-5208 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962