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5990-01-121-1175

Differential Receiver Synchro

5990011211175 011211175 SAE-AS20708/67 31TDR6B M20708/67-01B MIL-S-20708/67 MIL-S-20708

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. View more Differential Receiver Synchro

Managed by United States

NSN Created on 31 Oct 1981

Data Last Changed
May 2023

NATO Update Count
8

NATO Data Quality

AAQL Style A4 for 5990-01-121-1175 1/2 — NSN 5990-01-121-1175 (Identification) 1/2

AEBZ Style E3 for 5990-01-121-1175 2/2 — NSN 5990-01-121-1175 (Identification) 2/2

Marketplace 5990-01-121-1175

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5990-01-121-1175 RQST NE

Restrictions 5990-01-121-1175

5990-01-121-1175 is a Differential Receiver Synchro that does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. Demilitarization of this item has been confirmed and is not currently subject to changes. This item is a US Munitions List or Commerce Control List Item which must be destroyed to prevent restoration or repair. Only authorized parties may possess this item. This item is not suspected to be hazardous. This item does not contain a precious metal.

Import and Export 5990-01-121-1175

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End Users 5990-01-121-1175

US Navy (N9BN)
Effective Date:: 1 Apr 2006
Former MOE Rule:: N9ND
Supplementary Collaborators:: GTHD; AMC 1 AMSC G IMC Z IMCACTY HD

Spain (YB01)
Effective Date:: 1 Apr 1991

Turkey (ZW01)
Effective Date:: 1 Nov 1998

Approved Sources 5990-01-121-1175

Part Number
Manufacturer
Status
SAE-AS20708/67: 0U583 - Sae International (Active); Incomplete Reference; RNCC 3 RNVC 1 DAC E
M20708/67-01B: 0U583 - Sae International (Active); Primary Buy; RNCC 3 RNVC 2 DAC E
31TDR6B: 81349 - Military Specifications (Active); Incomplete Secondary Reference; RNCC 5 RNVC 1 DAC E
MIL-S-20708/67: 81349 - Military Specifications (Active); Canceled/Obsolete; RNCC 5 RNVC 9 DAC E
MIL-S-20708: 81349 - Military Specifications (Active); Canceled/Obsolete; RNCC 5 RNVC 9 DAC E

Datasheet 5990-01-121-1175

Characteristic
Specifications
FIIG: A07800
Electrical Error Angular Range In Minutes [AJVL]: -10.0/+10.0
Aft Of First Flange Diameter [AJWV]: 2.3220 Inches Nominal
Body Diameter [ABPM]: 2.7000 Inches Maximum
Body Material [AAFZ]: Steel, Corrosion Resisting
Body Style [AAQL]: Standard Round D
Flange Diameter [ABKK]: 3.1000 Inches Maximum
Flange Thickness [ABKU]: 0.2500 Inches Nominal
Fragility Factor [AFJN]: Moderately Rugged
Frequency In Hertz [AJSS]: 60.0 Nominal
Body Size [AJSL]: 31
Mounting Surface To Terminal End Distance [AJWX]: 4.6600 Inches Maximum
Schematic Diagram Designator [AEBZ]: 1 Y-Rotor, 1 Y-Stator
Receiver Error Angular Range In Minutes [AJVN]: -48.0/+48.0
Second Shoulder Diameter [AAZW]: 2.7500 Inches Nominal
Second Shoulder Length [AAZX]: 0.3750 Inches Nominal
Shaft End Play Determining Weight [CWYF]: 16.0 Ounces
Shaft End Play [AJWH]: 0.0010 Inches Minimum And 0.0050 Inches Maximum
Shaft Diameter [ABWV]: 0.2405 Inches Maximum Single Shaft
Shaft Length [ABXF]: 0.7000 Inches Nominal Single Shaft
Shaft Maximum Radial Play [AJWG]: 0.0008 Inches
Shaft Maximum Runout [AJXB]: 0.0008 Inches
Shaft Nominal Thread Size [CWBH]: 0.250 Inches Single Shaft
Shaft Radial Play Determining Weight [CWXK]: 16.0 Ounces
Shaft Radial Play Test Point [AJWE]: 0.125 Inches Maximum
Shaft Thread Class [AKAN]: 2A
Shaft Thread Direction [AKAF]: Right-Hand Single Shaft
Shaft Thread Length [CQWQ]: 0.3200 Inches Maximum Single Shaft
Shaft Thread Series Designator [AJYY]: Unf Single Shaft
Shaft Type [CRSJ]: Spline W/Threads Single Shaft
Shoulder Diameter [AAVH]: 2.7000 Inches Maximum
Shoulder Length [AJWR]: 0.6450 Inches Nominal
Overall Length [ABHP]: 5.3600 Inches Maximum
Pilot Diameter [AAVL]: 0.5000 Inches Nominal
Pilot Length [AJWQ]: 0.0300 Inches Nominal
Phase Shift Angle In Deg [AJVF]: 6.500 Output To Input Maximum
Transformation Ratio [CSJY]: 1.154 Rotor To Stator Nominal
Specification/Standard Data [ZZZK]: 81349-Mil-S-20708/67 Government Specification
Spline Tooth Diametral Pitch [AJXA]: 96 Single Shaft
Spline Tooth Quantity [AJVM]: 22 Single Shaft
Stator Input Electrical Power Rating [AJSQ]: 7.8 Watts Maximum
Stator Input Voltage Rating In Volts [AJSN]: 90.0 Nominal
Stator Input Current Rating [AJSP]: 748.0 Milliamperes Maximum
Terminal Location [CQTM]: Rear
Terminal Type And Quantity [TTQY]: 6 Screw
Test Data Document [TEST]: 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", "Nominal", Etc.).

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DLA Procurement Analysis 5990-01-121-1175

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Management Data 5990-01-121-1175

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Effective Date: Organization; Unit of Issue; Unit Price; Qty Unit Pack
Oct 2022: Defense Logistics Agency (DS); EA; Subscribe; 1
Oct 2021: Department of the Navy (DN); EA; Subscribe; 1
Oct 2020: Department of the Navy (DN); EA; Subscribe; 1
Mar 2020: Department of the Navy (DN); EA; Subscribe; 1

Navy

Cognizance:

9B: Navy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg

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Freight Information 5990-01-121-1175

5990-01-121-1175 has freight characteristics.It has a National Motor Freight Classification (NMFC) of 062120. A Sub NMFC of Z. It has a NMFC Description of GENERATORS/MOTORS/PARTS NOI. 5990-01-121-1175 is rated as a variable freight class when transported by Less-Than Truckload (LTL) freight. It has a Uniform Freight Classification (UFC) number of 34760 which rates the freight between FCL and LCL. 5990-01-121-1175 has a variance between NMFC and UFC when transported by rail and the description should be consulted. It has a Water Commodity Code (WCC) of 593 for ocean manifesting and military sealift. 5990-01-121-1175 is not classified as a special type of cargo when transported by water. 5990-01-121-1175 is not a consolidation and does not exceed 84" in any dimension. It should be compatible with a standard 72" Aircraft Cargo Door when transported by air.

Packaging Data 5990-01-121-1175

Responsible Activity
Packaging Data Source: Primary Inventory Control Activity (PICA); --

Item Pack Level (Unpackaged)

Item Size
Item Weight
Characteristics
Weight/Dimensions Category
Fragility
Item Preservation: --; --; --; 0.25 lb or less, one dimension 2" or less, other dimensions less than 24"; 85 to 110G; No Requirement

Unit Pack Level (Packaged)

Quantity per Pack
Unit Size
Unit Weight
Unit Cube
Preservation Method
Cleaning/Drying: 1; --; --; --; --; Any Suitable Process

Preservation Material
Wrapping Material
Cushioning/Dunnage
Cushioning Thickness
Container
Special Marking: No Requirement; MIL-DTL-17667, Neutral Wrapping Paper; ASTM-D4727, Fiberboard used as Pads, Cells, Die-cuts or Sleeves; --; ASTM-D5118, Type CF, Class Domestic, Corrugated Fiberboard Box; Method 50

Intermediate Pack Level

Quantity of Unit Packs
Container: Any Suitable Fiber Box

Contracting Technical Data File (CTDF) 5990-01-121-1175 October 2021

Criticality and Quality

Critical Item Code:
Flight Safety:
Life Support:
Certified Samples:
Serialization:
First Article Test (FAT):
Certificate of Quality Compliance:
Production Lot Testing:
Special Testing:
Qualified Products List (QPL):

Commercial Properties

Government Furnished Material:
Government Furnished Tooling:
Government Furnished Property:
Price Evaluation Code:
Diminshing Manufacturing Sources:
Warranty:
Commerical Off The Shelf (COTS):
End Item Application:
Auctioning Candidate:
Source of Procurement:
Contract Option:

Restrictions

Boeing Rights Guard:
Export Controlled:
Controlled Technical Data Package (TDP):
Restricted Technical Data Package (TDP):
Contains Classified Material
Weapons System Indicator Code (WSIC):: N

Packaging Requirements

Packaging Determination Table:
Packaging Review Code:
Special Packaging Instruction Number (SPIN):
Special Packaging Instruction Number Revision:
Special Packaging Instruction Number Date:
Pallet Reference Number Required:

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