Differential Receiver Synchro NSN 5990-00-677-6492

Item Description

A synchro, the rotor of which is free to turn, which will assume a position in accordance with the sum or difference of the electrical angular information received from two transmitter synchros. Does not include variable resistors, goniometers, variable transformers, or items with dials.

NSN: 5990-00-677-6492

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Features and Characteristics

Body Material

Steel, stainless

Body Style

Standard round d

Shoulder Diameter

Between 1.9985 inches and 1.9995 inches

Pilot Diameter

Between 0.5900 inches and 0.6000 inches

Second Shoulder Diameter

Between 1.9985 inches and 1.9995 inches

Second Shoulder Length

0.1700 inches

Overall Length

4.5490 inches

Flange Diameter

Between 2.2490 inches and 2.2500 inches

Flange Thickness

Between 0.2480 inches and 0.2500 inches

Body Diameter

1.9900 inches

Shaft Diameter

0.2403 inches single shaft and 0.2405 inches single shaft

Shaft Length

0.7190 inches single shaft

Body Size

Stator Input Voltage Rating In Volts

90.0

Stator Input Current Rating

950.0 milliamperes

Stator Input Electrical Power Rating

5.2 watts

Frequency In Hertz

400.0

Phase Shift Angle In Deg

4.000 input to output

Electrical Error Angular Range In Minutes

-6.0/+6.0

Spline Tooth Quantity

22 single shaft

Receiver Error Angular Range In Minutes

-45.0/+45.0

Actuator Friction Torque At Minus 55 Deg Celsius

0.10 inch-ounces

Torque Gradient Per Angular Deg

0.060 inch-ounces

Pilot Length

0.0430 inches

Shoulder Length

0.2500 inches

Aft Of First Flange Diameter

Between 1.9985 inches and 1.9995 inches

Mounting Surface To Terminal End Distance

4.0430 inches

Spline Tooth Diametral Pitch

96 single shaft

Shaft Thread Series Designator

Unf single shaft

Shaft Thread Direction

Right-hand single shaft

Shaft Thread Class

Terminal Location

Rear

Shaft Thread Length

0.2900 inches single shaft

Shaft Type

Spline w/threads single shaft

Transformation Ratio

1.154 rotor to stator

Shaft Thread Size

0.250 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

6 screw

Specification Data

81349-mil-s-20708/49 government specification

FSC

5990 Synchros And Resolvers

NIIN

006776492

NSN

5990006776492

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

23TDR4B

Cage Code:

81349

Status:

MSDS:

Part Number:

MIL-S-20708/49

Cage Code:

81349

Status:

MSDS:

Part Number:

23TDR4A

Cage Code:

10001

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 5990-00-677-6492

What are the manufacturers of nsn 5990006776492?

Military Specifications (81349)
Navair And Navsea Managed (10001)

Does this nsn 5990006776492 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 5990006776492
A synchro, the rotor of which is free to turn, which will assume a position in accordance with the sum or difference of the electrical angular information received from two transmitter synchros. does not include variable resistors, goniometers, variable transformers, or items with dials.

Does nsn 5990006776492 contain any precious metals?
Precious metal content is unknown.

Does nsn 5990006776492 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 5990006776492?
No known electrostatic discharge.

Identification Group

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

INC

FIIG

App. Key

Cond. Code

Status

INC:

02070

FIIG:

A07800

App. Key:

Cond. Code:

Status:

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On Time Delivery
Certificate of Conformance
Quality Inspected Parts
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