1821-780

View detailed technical data, stock status, and sourcing information for: 1821-780
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5990 Synchros and Resolvers

National Stock Number

5990-00-144-3236

Item Name Code

02073

Assigment Date

01/19/1973 (53 years ago)

A synchro consisting of a stator and rotor inductively coupled. The electrical output of the stator into a receiver synchro, a control transformer or differential synchro is dependent upon the position of its rotor. Does not include variable resistors, goniometers, variable transformers, or items with dials.

1.9040 inches nominal overall length, 11 body size, 0.0640 inches nominal single shaft shaft diameter, 0.0460 inches nominal single shaft shaft length, 1.0620 inches nominal body diameter

Product Characteristics

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

Overall Length: 1.9040 inches nominal
Body Diameter: 1.0620 inches nominal
Shaft Diameter: 0.0640 inches nominal single shaft
Shaft Length: 0.0460 inches nominal single shaft
Body Size: 11
Rotor Input Voltage Rating In Volts: 26.0 nominal
Frequency In Hertz: 400.0 nominal
Rotor Input Current Rating: 142.0 milliamperes nominal
Rotor Input Electrical Power Rating: 680.0 milliwatts nominal
Rotor Dc Resistance In Ohms: 19.00 nominal
Stator Dc Resistance In Ohms: 5.00 nominal
Terminal Location: rear
Shaft Type: round, slotted single shaft
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
1821-780	Transmitter Synchro

FAQs

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

What is the FSCG of the NSN 5990-00-144-3236?

The FSCG of the NSN 5990-00-144-3236 is 5990

Does the NSN 5990-00-144-3236 have a Schedule B code assigned?

Yes, the Schedule B code is 9014900000

Does NSN 5990-00-144-3236 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 5990-00-144-3236 contain precious materials?

Precious metal content is unknown

Does NSN 5990-00-144-3236 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 5990-00-144-3236 was assigned to the Federal Catalog?

It was assigned 53 years ago, on Fri, Jan 19, 1973