AS20708/29

View detailed technical data, stock status, and sourcing information for: AS20708/29
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5990 Synchros and Resolvers

National Stock Number

5990-00-928-5593

Item Name Code

15289

Assigment Date

08/31/1966 (59 years ago)

3.0600 inches nominal overall length, unable to decode body material, 0.9370 inches minimum and 0.9375 inches maximum pilot diameter, standard round c body style, 1.5615 inches minimum and 1.5620 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 Material: unable to decode
Body Style: standard round c
Shoulder Diameter: 1.5615 inches minimum and 1.5620 inches maximum
Pilot Diameter: 0.9370 inches minimum and 0.9375 inches maximum
Overall Length: 3.0600 inches nominal
Flange Diameter: 1.7450 inches minimum and 1.7500 inches maximum
Flange Thickness: 0.0930 inches nominal
Undercut Diameter: 1.6250 inches nominal
Undercut Width: 0.0780 inches nominal
Shaft Diameter: 0.1870 inches minimum and 0.1872 inches maximum single shaft
Shaft Length: 0.5400 inches nominal single shaft
Maximum Temp Rise: 20.0 celsius
Body Size: 18
Stator Input Voltage Rating In Volts: 90.0 nominal
Stator Input Current Rating: 7.0 milliamperes maximum
Stator Input Electrical Power Rating: 50.0 milliwatts nominal
Frequency In Hertz: 400.0 nominal
Zso Impedance Magnitude In Ohms: 12000.00 minimum and 14800.00 maximum
Zso Impedance Angle In Deg: 82.00 minimum and 84.50 maximum
Zrs Impedance Magnitude In Ohms: 980.00 minimum and 1180.00 maximum
Zrs Impedance Angle In Deg: 42.00 minimum and 52.00 maximum
Phase Shift Angle In Deg: 2.000 input to output nominal
Maximum Fundamental Null Voltage In Millivolts Per Volt: 20.00 output
Maximum Total Null Voltage Output In Millivolts Per Volt: 30.00
Electrical Error Angular Range In Minutes: -6.0 to 6.0
Spline Tooth Quantity: 21 single shaft
Torque Gradient Per Angular Deg: 0.100 inch-ounces maximum
Alignment Hole Quantity: 4
Pilot Length: 0.0400 inches nominal
Shoulder Length: unable to decode
Mounting Surface To Terminal End Distance: 2.5200 inches nominal
Spline Tooth Diametral Pitch: 120 single shaft
Shaft Thread Series Designator: unf single shaft
Shaft Thread Direction: right-hand single shaft
Shaft Thread Class: 2a single shaft
Terminal Location: rear
Shaft Thread Length: 0.2000 inches nominal single shaft
Shaft Type: spline w/threads single shaft
Alignment Hole Depth: 0.1250 inches minimum
Transformation Ratio: 0.735 rotor to stator nominal
Alignment Hole Bolt Circle Diameter: 1.2500 inches nominal
Shaft Nominal Thread Size: 0.190 inches single shaft
Test Data Document: "81349-mil-s-20708 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.)."
Terminal Type And Quantity: 5 screw
Specification/Standard Data: 81349-mil-s-20708/29 government specification

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5990-00-644-0114	No Name Available	03/20/2018
5990-00-786-3205	No Name Available	04/25/1969

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
18CT4	Control Transformer Synchro
18CT4A	Control Transformer Synchro
18CT4B	Control Transformer Synchro
18CT4C	Control Transformer Synchro
315-1268P2	Control Transformer Synchro
450904-9153	Control Transformer Synchro
5990PL1373991	Control Transformer Synchro
AS20708/29	Control Transformer Synchro
LD266561	Control Transformer Synchro
M20708-29-001	Control Transformer Synchro
M20708-29-01	Control Transformer Synchro
M20708/29-01C	Control Transformer Synchro
M2078/29D-001	Control Transformer Synchro
MIL-S-20708/29	Control Transformer Synchro
S315-1268P2	Control Transformer Synchro
V23401C0003A010	Control Transformer Synchro
W41281-A6000-A10	Control Transformer Synchro

FAQs

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

What is the FSCG of the NSN 5990-00-928-5593?

The FSCG of the NSN 5990-00-928-5593 is 5990

Does the NSN 5990-00-928-5593 have a Schedule B code assigned?

Yes, the Schedule B code is 9014900000

Does NSN 5990-00-928-5593 require demilitarization?

"commerce control list items (ccli) - mut to the point of scrap required outside the united states. Inside the united states, mut is required when the demil integrity code (ic) is "3" and mut is not required when the demic is "6" (note 8)"

Does NSN 5990-00-928-5593 contain precious materials?

Precious metal content is unknown

Does NSN 5990-00-928-5593 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 5990-00-928-5593 was assigned to the Federal Catalog?

It was assigned 59 years ago, on Wed, Aug 31, 1966