Receiver-transmitter Synchro NSN 5990-00-997-5237

Item Description

A synchro having a dual purpose. It may be used in applications requiring either a receiver or transmitter. For synchros having a single purpose, see synchro, receiver and synchro, transmitter.

NSN: 5990-00-997-5237

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Features and Characteristics

Body Material

Steel, stainless

Body Style

Standard round c

Shoulder Diameter

Between 1.5615 inches and 1.5620 inches

Pilot Diameter

Between 0.9370 inches and 0.9375 inches

Overall Length

3.0600 inches

Flange Diameter

Between 1.7450 inches and 1.7500 inches

Flange Thickness

0.0930 inches

Undercut Diameter

1.6250 inches

Undercut Width

0.0780 inches

Shaft Diameter

0.1873 inches single shaft and 0.1875 inches single shaft

Shaft Length

0.5400 inches single shaft

Fragility Factor

Moderately rugged

Maximum Tempurature Rise

35.0 degrees celsius

Body Size

Rotor Input Voltage Rating In Volts

115.0

Frequency In Hertz

400.0

Rotor Input Current Rating

400.0 milliamperes

Rotor Input Electrical Power Rating

4.0 watts

Zss Impedance Magnitude In Ohms

Between 16.00 and 21.00

Zss Impedance Angle In Deg

Between 38.00 and 45.00

Phase Shift Angle In Deg

4.000 input to output

Maximum Fundamental Null Voltage In Millivolts Per Volt

50.00 output

Maximum Total Null Voltage Output In Millivolts Per Volt

100.00

Electrical Error Angular Range In Minutes

-8.0/+8.0

Spline Tooth Quantity

21 single shaft

Receiver Error Angular Range In Minutes

-45.0/+45.0

Torque Gradient Per Angular Deg

0.100 inch-ounces

Alignment Hole Quantity

Pilot Length

0.0400 inches

Shoulder Length

0.1320 inches

Mounting Surface To Terminal End Distance

2.5200 inches

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 single shaft

Shaft Type

Spline w/threads single shaft

Alignment Hole Depth

0.1250 inches

Transformation Ratio

0.783 stator to rotor

Alignment Hole Bolt Circle Diameter

1.2500 inches

Shaft 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", "", etc.).

Terminal Type And Quantity

5 screw

Specification Data

81349-mil-s-20708/32 government specification

FSC

5990 Synchros And Resolvers

NIIN

009975237

NSN

5990009975237

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

M20708/32-01A

Cage Code:

81349

Status:

MSDS:

Part Number:

MIL-S-20708/32

Cage Code:

81349

Status:

MSDS:

Part Number:

18TRX4A

Cage Code:

81349

Status:

MSDS:

Part Number:

450904-0983

Cage Code:

D4856

Status:

MSDS:

Part Number:

27719

Cage Code:

09958

Status:

MSDS:

Part Number:

674761

Cage Code:

56232

Status:

MSDS:

Part Number:

M20708-32E001

Cage Code:

56232

Status:

MSDS:

Part Number:

1.793485

Cage Code:

D2865

Status:

MSDS:

Part Number:

M20708/32-001

Cage Code:

81349

Status:

MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov

Schedule B Number: 9014900000
NAICS: 334511
SITC: 87412
Description: Parts & accessories for direction finding compasses and other navigational instruments and appliances
End Use (Code 22220):
Marine engines, parts

Q & A

Frequently asked questions for NSN 5990-00-997-5237

What are the manufacturers of nsn 5990009975237?

Does this nsn 5990009975237 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 5990009975237
A synchro having a dual purpose. it may be used in applications requiring either a receiver or transmitter. for synchros having a single purpose, see synchro, receiver and synchro, transmitter.

Does nsn 5990009975237 contain any precious metals?
No precious metal content.

Does nsn 5990009975237 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 5990009975237?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)

INC

FIIG

App. Key

Cond. Code

Status

INC:

27218

FIIG:

A07800

App. Key:

Cond. Code:

Status:

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Certificate of Conformance
Quality Inspected Parts
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