Differential Receiver Synchro NSN 5990-01-121-1175

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: 5990-01-121-1175

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Features and Characteristics

Body Material

Steel, corrosion resisting

Body Style

Standard round d

Shoulder Diameter

2.7000 inches

Pilot Diameter

0.5000 inches

Second Shoulder Diameter

2.7500 inches

Second Shoulder Length

0.3750 inches

Overall Length

5.3600 inches

Flange Diameter

3.1000 inches

Flange Thickness

0.2500 inches

Body Diameter

2.7000 inches

Shaft Diameter

0.2405 inches single shaft

Shaft Length

0.7000 inches single shaft

Schematic Diagram Designator

Err-090

Fragility Factor

Moderately rugged

Body Size

Stator Input Voltage Rating In Volts

90.0

Stator Input Current Rating

748.0 milliamperes

Stator Input Electrical Power Rating

7.8 watts

Frequency In Hertz

60.0

Phase Shift Angle In Deg

6.500 output to input

Electrical Error Angular Range In Minutes

-10.0/+10.0

Spline Tooth Quantity

22 single shaft

Receiver Error Angular Range In Minutes

-48.0/+48.0

Shaft Radial Play Test Point

0.125 inches

Shaft Maximum Radial Play

0.0008 inches

Shaft End Play

Between 0.0010 inches and 0.0050 inches

Pilot Length

0.0300 inches

Shoulder Length

0.6450 inches

Aft Of First Flange Diameter

2.3220 inches

Mounting Surface To Terminal End Distance

4.6600 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

Terminal Location

Rear

Shaft Thread Length

0.3200 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

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-20708/67 government specification

FSC

5990 Synchros And Resolvers

NIIN

011211175

NSN

5990011211175

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

MIL-S-20708/67

Cage Code:

81349

Status:

MSDS:

Part Number:

MIL-S-20708

Cage Code:

81349

Status:

MSDS:

Part Number:

31TDR6B

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 5990-01-121-1175

What are the manufacturers of nsn 5990011211175?

Military Specifications (81349)

Does this nsn 5990011211175 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 5990011211175
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 5990011211175 contain any precious metals?
No precious metal content.

Does nsn 5990011211175 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 5990011211175?
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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