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NSN 5990-00-677-6480, 5990006776480
Cancelled -> Replaced by 5990006440092

Federal Supply Classification
FSC 5990 - Synchros and Resolvers
National Item Identification Number
NIIN 006776480
Codification Country
United States
Item Name Code
INC 02071
Criticality
(X) This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Hazardous Material Indicator Code
(N) There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials.
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DLMS® Summary

National Stock Number 5990-00-677-6480

National Stock Number (NSN) 5990-00-677-6480, or NIIN 006776480, (synchro,differential transmitter) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 5990006440092.

There are 5 manufacturer part numbers associated with this NSN. 3 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts.

This part number has not been procured by the US Government in over 5 years.

Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 02, 2006, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) Acquisition of this part is controlled by QPL procedures. Valid AMCs: 1 and 2.

This NSN is assigned to Item Name Code (INC) 02071. [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.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 5990006776480 contains an unknown precious metal.

This NSN is associated to Schedule B 9014900000: parts & accessories for direction finding compasses and other navigational instruments and appliances. The Schedule B End Use is listed as marine engines, parts. NAICS classification category 334511: search, detection, navigation, guidance, aeronautical, and nautical system and instrument manufacturing.

This information was last updated on .


Technical Characteristics

ELECTRICAL ERROR ANGULAR RANGE IN MINUTES
(AJVL) -8.0 TO 8.0
ACTUATOR FRICTION TORQUE AT MINUS 55 DEG CELSIUS
(AJVS) 0.10 INCH-OUNCES NOMINAL
BODY MATERIAL
(CQRG) STEEL CORROSION RESISTING
BODY SIZE
(AJSL) 18
BODY STYLE
(AAQL) STANDARD ROUND C
FLANGE DIAMETER
(ABKK) 1.7450 INCHES MINIMUM AND 1.7500 INCHES MAXIMUM
FLANGE THICKNESS
(ABKU) 0.0930 INCHES NOMINAL
FREQUENCY IN HERTZ
(AJSS) 400.0 NOMINAL
OVERALL LENGTH
(ABHP) 3.2050 INCHES NOMINAL
MAXIMUM TEMP RISE
(AHCG) 20.0 DEG CELSIUS
MOUNTING SURFACE TO TERMINAL END DISTANCE
(AJWX) 2.6700 INCHES NOMINAL
SHAFT DIAMETER
(ABWV) 0.1870 INCHES MINIMUM AND 0.1872 INCHES MAXIMUM SINGLE SHAFT
SHAFT NOMINAL THREAD SIZE
(CWBH) 0.190 INCHES SINGLE SHAFT
SHAFT LENGTH
(ABXF) 0.5400 INCHES NOMINAL SINGLE SHAFT
SHAFT THREAD CLASS
(AKAN) 2A SINGLE SHAFT
SHAFT THREAD DIRECTION
(AKAF) RIGHT-HAND SINGLE SHAFT
SHAFT THREAD LENGTH
(CQWQ) 0.2000 INCHES NOMINAL SINGLE SHAFT
SHAFT THREAD SERIES DESIGNATOR
(AJYY) UNF SINGLE SHAFT
SHAFT TYPE
(CRSJ) SPLINE W/THREADS SINGLE SHAFT
SHOULDER DIAMETER
(AAVH) 1.5615 INCHES MINIMUM AND 1.5620 INCHES MAXIMUM
SHOULDER LENGTH
(AJWR) 0.1320 INCHES NOMINAL
PHASE SHIFT ANGLE IN DEG
(AJVF) 3.000 INPUT TO OUTPUT NOMINAL
PILOT DIAMETER
(AAVL) 0.9370 INCHES MINIMUM AND 0.9375 INCHES MAXIMUM
PILOT LENGTH
(AJWQ) 0.0400 INCHES NOMINAL
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.).
TORQUE GRADIENT PER ANGULAR DEG
(AJVV) 0.060 INCH-OUNCES MINIMUM
TRANSFORMATION RATIO
(CSJY) 1.154 ROTOR TO STATOR NOMINAL
UNDERCUT WIDTH
(ABPC) 0.0780 INCHES NOMINAL
UNDERCUT DIAMETER
(ABPA) 1.6250 INCHES NOMINAL
ZRS IMPEDANCE ANGLE IN DEG
(AJTM) 47.00 MINIMUM AND 56.00 MAXIMUM
ZRS IMPEDANCE MAGNITUDE IN OHMS
(AJTL) 26.00 MINIMUM AND 38.00 MAXIMUM
ZSO IMPEDANCE ANGLE IN DEG
(AJTK) 83.00 MINIMUM AND 87.00 MAXIMUM
ZSO IMPEDANCE MAGNITUDE IN OHMS
(AJTJ) 178.00 MINIMUM AND 266.00 MAXIMUM
SPECIFICATION/STANDARD DATA
(ZZZK) 81349-MIL-S-20708/31 GOVERNMENT SPECIFICATION
SPLINE TOOTH DIAMETRAL PITCH
(AJXA) 120 SINGLE SHAFT
SPLINE TOOTH QUANTITY
(AJVM) 21 SINGLE SHAFT
STATOR INPUT CURRENT RATING
(AJSP) 450.0 MILLIAMPERES NOMINAL
STATOR INPUT ELECTRICAL POWER RATING
(AJSQ) 4.5 WATTS NOMINAL
STATOR INPUT VOLTAGE RATING IN VOLTS
(AJSN) 90.0 NOMINAL
TERMINAL LOCATION
(CQTM) REAR
TERMINAL TYPE AND QUANTITY
(TTQY) 6 SCREW
BODY MATERIAL
(AAFZ) STEEL, STAINLESS
SHAFT THREAD CLASS
(AKAN) 2A
ELECTRICAL ERROR ANGULAR RANGE IN MINUTES
(AJVL) -8.0/+8.0

Manufacturer Part Numbers


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