Differential Transmitter Synchro NSN 5990-00-925-6614

Item Description

A synchro, the rotor of which is mechanically positioned for modifying electrical angular information, received from a transmitter synchro and transmitting to receiver synchro or control transformer synchro electrical information corresponding to the sum or difference of the electrical input angle and its rotor position angle. Does not include variable resistors, goniometers, variable transformers, or items with dials.

NSN: 5990-00-925-6614

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Features and Characteristics

Body Material

Steel, stainless

Body Style

Standard round d

Shoulder Diameter

Between 2.6950 inches and 2.7000 inches

Pilot Diameter

0.5000 inches

Second Shoulder Diameter

Between 2.7490 inches and 2.7500 inches

Second Shoulder Length

0.3750 inches

Overall Length

5.3550 inches

Flange Diameter

Between 3.0990 inches and 3.1000 inches

Flange Thickness

0.2500 inches

Body Diameter

2.7000 centimeters

Shaft Diameter

0.2403 inches single shaft and 0.2405 inches single shaft

Shaft Length

0.7300 inches single shaft

Fragility Factor

Moderately rugged

Maximum Tempurature Rise

20.0 degrees celsius

Body Size

Stator Input Voltage Rating In Volts

90.0

Stator Input Current Rating

190.0 milliamperes

Stator Input Electrical Power Rating

10.2 watts

Frequency In Hertz

400.0

Zrs Impedance Magnitude In Ohms

4.80

Zrs Impedance Angle In Deg

44.00

Rotor Dc Resistance In Ohms

1.20

Stator Dc Resistance In Ohms

1.00

Phase Shift Angle In Deg

1.500 input to output

Electrical Error Angular Range In Minutes

-8.0/+8.0

Spline Tooth Quantity

22 single shaft

Actuator Friction Torque At Plus 25 Deg Celsius

0.50 inch-ounces

Torque Gradient Per Angular Deg

0.600 inch-ounces

Shaft Radial Play Test Point

0.125 inches

Shaft Maximum Radial Play

0.0008 inches

Shaft End Play

0.0030 inches

Pilot Length

0.0300 inches

Shoulder Length

0.6150 inches

Aft Of First Flange Diameter

2.7500 inches

Mounting Surface To Terminal End Distance

4.6250 inches

Spline Tooth Diametral Pitch

96 single shaft

Shaft Maximum Runout

0.0008 inches

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

0.3640 inches single shaft

Shaft Type

Spline w/threads single shaft

Transformation Ratio

1.154 rotor to stator

Shaft Thread Size

0.2500 inches single shaft

Shaft Radial Play Determining Weight

16.0 ounces

Shaft End Play Determining Weight

16.0 ounces

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

6 screw

Specification Data

81349-mil-s-20708/64 government specification

FSC

5990 Synchros And Resolvers

NIIN

009256614

NSN

5990009256614

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

M20708/64-001

Cage Code:

81349

Status:

MSDS:

Part Number:

MIL-S-20708/64

Cage Code:

81349

Status:

MSDS:

Part Number:

31TDX4C

Cage Code:

81349

Status:

MSDS:

Part Number:

31TDX4B

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 5990-00-925-6614

What are the manufacturers of nsn 5990009256614?

Military Specifications (81349)

Does this nsn 5990009256614 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 5990009256614
A synchro, the rotor of which is mechanically positioned for modifying electrical angular information, received from a transmitter synchro and transmitting to receiver synchro or control transformer synchro electrical information corresponding to the sum or difference of the electrical input angle and its rotor position angle. does not include variable resistors, goniometers, variable transformers, or items with dials.

Does nsn 5990009256614 contain any precious metals?
No precious metal content.

Does nsn 5990009256614 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 5990009256614?
No known electrostatic discharge.

Identification Group

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

INC

FIIG

App. Key

Cond. Code

Status

INC:

02071

FIIG:

A07800

App. Key:

Cond. Code:

Status:

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