Control Transformer Synchro NSN 5990-00-444-6987

Item Description

A synchro consisting of a stator and rotor inductively coupled. The electrical output of the rotor is dependent upon both the position of the rotor and the electrical input to the stator from a transmitter synchro or a differential synchro. Does not include variable resistors, goniometers, or variable transformers.

NSN: 5990-00-444-6987

Stock Availability

NSN 5990004446987 availability
(as of 04/30/2024).

NS: 8
SV: 1
NE: 4
OH: 1

Note: Availability of this item may have changed since it was last checked. Request a quote for an updated price and availability quote.

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Related NSN

Features and Characteristics

Body Material

Steel, corrosion resisting

Body Style

Standard round c

Shoulder Diameter

Between 0.0995 inches and 1.0000 inches

Pilot Diameter

Between 0.6245 inches and 0.6250 inches

Overall Length

2.2240 inches

Flange Diameter

Between 1.0615 inches and 1.0620 inches

Flange Thickness

0.0930 inches

Undercut Diameter

0.9750 inches

Undercut Width

0.0620 inches

Shaft Diameter

0.1195 inches single shaft and 0.1200 inches single shaft

Shaft Length

0.3680 inches single shaft

Maximum Tempurature Rise

10.0 degrees celsius

Body Size

Stator Input Voltage Rating In Volts

90.0

Stator Input Current Rating

18.0 milliamperes

Stator Input Electrical Power Rating

20.0 watts

Frequency In Hertz

400.0

Zso Impedance Magnitude In Ohms

Between 4350.00 and 5700.00

Zso Impedance Angle In Deg

Between 77.30 and 83.50

Zrs Impedance Magnitude In Ohms

Between 585.00 and 700.00

Zrs Impedance Angle In Deg

Between 22.00 and 32.00

Phase Shift Angle In Deg

5.000 input to output

Maximum Fundamental Null Voltage In Millivolts Per Volt

32.00 output

Maximum Total Null Voltage Output In Millivolts Per Volt

60.00

Electrical Error Angular Range In Minutes

-7.0/+7.0

Alignment Hole Quantity

Pilot Length

0.0620 inches

Shoulder Length

0.0620 inches

Mounting Surface To Terminal End Distance

1.8010 inches

Terminal Location

Rear

Shaft Slot Depth

0.0250 inches single shaft

Shaft Slot Width

0.0200 inches single shaft

Shaft Type

Round, slotted single shaft

Alignment Hole Depth

0.1120 inches

Transformation Ratio

0.735 rotor to stator

Alignment Hole Bolt Circle Diameter

0.8120 inches

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 wire lead

FSC

5990 Synchros And Resolvers

NIIN

004446987

NSN

5990004446987

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

M20708/1-02E

Cage Code:

81349

Status:

MSDS:

Part Number:

MILC20708-1

Cage Code:

81349

Status:

MSDS:

Part Number:

11CT4E

Cage Code:

81349

Status:

MSDS:

Part Number:

M20708-1-002

Cage Code:

80223

Status:

MSDS:

Part Number:

M20708/1D-002

Cage Code:

81349

Status:

MSDS:

Part Number:

AS20708/1

Cage Code:

81343

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 5990-00-444-6987

What are the manufacturers of nsn 5990004446987?

Military Specifications (81349)
United Transformer Corp (80223)
Society Of Automotive Engineers Inc (81343)

Does this nsn 5990004446987 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 5990004446987
A synchro consisting of a stator and rotor inductively coupled. the electrical output of the rotor is dependent upon both the position of the rotor and the electrical input to the stator from a transmitter synchro or a differential synchro. does not include variable resistors, goniometers, or variable transformers.

Does nsn 5990004446987 contain any precious metals?
Precious metal content is unknown.

Does nsn 5990004446987 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 5990004446987?
No known electrostatic discharge.

Identification Group

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

INC

FIIG

App. Key

Cond. Code

Status

INC:

15289

FIIG:

A07800

App. Key:

Cond. Code:

Status:

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