R925-1A

View detailed technical data, stock status, and sourcing information for: R925-1A
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5990 Synchros and Resolvers

National Stock Number

5990-00-844-1188

Item Name Code

02072

Assigment Date

01/01/1962 (64 years ago)

A tubular item, so formed as to provide a spring action against the inside wall of a hole when driven into abutting pieces to position and hold them in place.

2.1270 inches minimum and 2.1530 inches maximum overall length, 0.6245 inches minimum and 0.6250 inches maximum pilot diameter, 1.0570 inches minimum and 1.0650 inches maximum flange diameter, 0.9995 inches minimum and 1.0000 inches maximum shoulder diameter, standard round c body style

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: 0.9995 inches minimum and 1.0000 inches maximum
Pilot Diameter: 0.6245 inches minimum and 0.6250 inches maximum
Overall Length: 2.1270 inches minimum and 2.1530 inches maximum
Flange Diameter: 1.0570 inches minimum and 1.0650 inches maximum
Flange Thickness: 0.0930 inches nominal
Undercut Diameter: 0.9750 inches nominal
Undercut Width: 0.0500 inches nominal
Shaft Diameter: 0.1195 inches minimum and 0.1200 inches maximum single shaft
Shaft Length: 0.3620 inches minimum and 0.3880 inches maximum single shaft
Body Size: 11
Rotor Input Voltage Rating In Volts: 26.0 nominal
Frequency In Hertz: 400.0 nominal
Rotor Input Current Rating: 280.0 milliamperes maximum
Rotor Input Electrical Power Rating: 910.0 milliwatts nominal
Zro Impedance Magnitude In Ohms: 107.00 nominal
Zro Impedance Angle In Deg: 81.70 nominal
Zso Impedance Magnitude In Ohms: 18.10 nominal
Zso Impedance Angle In Deg: 79.50 nominal
Rotor Dc Resistance In Ohms: 9.00 nominal
Stator Dc Resistance In Ohms: 3.00 nominal
Phase Shift Angle In Deg: 5.000 input to output nominal
Receiver Error Angular Range In Minutes: -15.0 to 15.0
Actuator Friction Torque At Minus 55 Deg Celsius: 3.00 centimeter-grams nominal
Actuator Friction Torque At Plus 25 Deg Celsius: 0.30 centimeter-grams nominal
Torque Gradient Per Angular Deg: 5500.000 millimeter-milligrams nominal
Alignment Hole Quantity: 4
Pilot Length: 0.0620 inches nominal
Shoulder Length: unable to decode
Mounting Surface To Terminal End Distance: 1.7650 inches nominal
Body Material: steel corrosion resisting
Terminal Location: side
Shaft Slot Depth: 0.0300 inches nominal single shaft
Shaft Slot Width: 0.0250 inches nominal single shaft
Shaft Type: round, slotted single shaft
Alignment Hole Depth: 0.1250 inches minimum
Transformation Ratio: 0.454 rotor to stator nominal
Alignment Hole Bolt Circle Diameter: 0.8120 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
R925-1A	Receiver Synchro
RS925-1A	Receiver Synchro

FAQs

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

What is the FSCG of the NSN 5990-00-844-1188?

The FSCG of the NSN 5990-00-844-1188 is 5990

Does the NSN 5990-00-844-1188 have a Schedule B code assigned?

Yes, the Schedule B code is 9014900000

Does NSN 5990-00-844-1188 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 5990-00-844-1188 contain precious materials?

Precious metal content is unknown

Does NSN 5990-00-844-1188 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 5990-00-844-1188 was assigned to the Federal Catalog?

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