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NSN 5990-00-441-7974, 5990004417974
SYNCHRO,RECEIVER-TRANSMITTER

Federal Supply Classification
FSC 5990 - Synchros and Resolvers
National Item Identification Number
NIIN 004417974
Codification Country
United States
Item Name Code
INC 27218
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 5990-00-441-7974

National Stock Number (NSN) 5990-00-441-7974, or NIIN 004417974, (synchro,receiver-transmitter) was assigned December 10, 1969 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

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. ISO Group has several sources of supply for this NSN.

This part number has not been procured by the US Government in over 5 years, with the most recent procurement date of Dec 18, 2018. There have been 2 contracts issued for this part number, with 2 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 2 different suppliers. The last contract numbers awarded were: SPE7M119V2594, SPE7M914V5728. The total value of the awarded contracts has been US$ 10,664.72.

This NSN is somewhat common among different platforms, belonging to 9 different weapons systems.

There has been a small amount of demand for this national stock number. The demand for this NSN originated from less than 5 countries. The 24 month forecast from the US Government for this part number has high volatility, with an estimated forecasted value of US$ 6,576. 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.) The Government has unlimited rights to the technical data, and the data package is complete. Valid AMCs: 1 and 2.

This NSN is assigned to Item Name Code (INC) 27218. [A SYNCHRO HAVING A DUAL PURPOSE. IT MAY BE USED IN APPLICATIONS REQUIRING EITHER A RECEIVER OR TRANSMITTER. FOR SYNCHROS HAVING A SINGLE PURPOSE, SEE SYNCHRO, RECEIVER AND SYNCHRO, TRANSMITTER.]. 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 5990004417974 does not contain precious metals.

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) -6.0/+6.0
ELECTRICAL ERROR ANGULAR RANGE IN MINUTES
(AJVL) -6.0 TO 6.0
ALIGNMENT HOLE BOLT CIRCLE DIAMETER
(CTCW) 1.1000 INCHES NOMINAL
ALIGNMENT HOLE DEPTH
(CRSY) 0.1250 INCHES MINIMUM
ALIGNMENT HOLE QUANTITY
(AJVW) 4
BODY MATERIAL
(AAFZ) STEEL, CORROSION RESISTING
BODY SIZE
(AJSL) 15
BODY STYLE
(AAQL) STANDARD ROUND C
FLANGE DIAMETER
(ABKK) 1.4340 INCHES MINIMUM AND 1.4370 INCHES MAXIMUM
FLANGE THICKNESS
(ABKU) 0.0930 INCHES NOMINAL
FRAGILITY FACTOR
(AFJN) MODERATELY RUGGED
FREQUENCY IN HERTZ
(AJSS) 60.0 NOMINAL
OVERALL LENGTH
(ABHP) 2.3270 INCHES NOMINAL
MAXIMUM FUNDAMENTAL NULL VOLTAGE IN MILLIVOLTS PER VOLT
(AJVG) 50.00 OUTPUT
MAXIMUM TEMP RISE
(AHCG) 35.0 DEG CELSIUS
MAXIMUM TOTAL NULL VOLTAGE OUTPUT IN MILLIVOLTS PER VOLT
(AJVH) 500.00
MOUNTING SURFACE TO TERMINAL END DISTANCE
(AJWX) 1.7720 INCHES MAXIMUM
ROTOR INPUT CURRENT RATING
(AJST) 80.0 MILLIAMPERES MAXIMUM
ROTOR INPUT ELECTRICAL POWER RATING
(AJSV) 2.8 WATTS MAXIMUM
ROTOR INPUT VOLTAGE RATING IN VOLTS
(AJSR) 115.0 NOMINAL
SHAFT DIAMETER
(ABWV) 0.1867 INCHES MINIMUM SINGLE SHAFT AND 0.1872 INCHES MAXIMUM SINGLE SHAFT
SHAFT NOMINAL THREAD SIZE
(CWBH) 0.190 INCHES SINGLE SHAFT
SHAFT LENGTH
(ABXF) 0.5550 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) 1.3115 INCHES MINIMUM AND 1.3120 INCHES MAXIMUM
SHOULDER LENGTH
(AJWR) 0.1320 INCHES NOMINAL
PILOT DIAMETER
(AAVL) 0.8745 INCHES MINIMUM AND 0.8750 INCHES MAXIMUM
PILOT LENGTH
(AJWQ) 0.0400 INCHES NOMINAL
PHASE SHIFT ANGLE IN DEG
(AJVF) 20.000 INPUT TO OUTPUT MAXIMUM
RECEIVER ERROR ANGULAR RANGE IN MINUTES
(AJVN) -45.0 TO 45.0
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) 0.030 INCH-OUNCES MINIMUM
TRANSFORMATION RATIO
(CSJY) 0.783 STATOR TO ROTOR NOMINAL
UNDERCUT DIAMETER
(ABPA) 1.3120 INCHES NOMINAL
UNDERCUT WIDTH
(ABPC) 0.0780 INCHES NOMINAL
ZSS IMPEDANCE ANGLE IN DEG
(AJTP) 10.00 MINIMUM AND 18.00 MAXIMUM
ZSS IMPEDANCE MAGNITUDE IN OHMS
(AJTN) 920.00 MAXIMUM
SPECIFICATION/STANDARD DATA
(ZZZK) 81349-MIL-S-20708/23 GOVERNMENT SPECIFICATION
SPLINE TOOTH DIAMETRAL PITCH
(AJXA) 120 SINGLE SHAFT
SPLINE TOOTH QUANTITY
(AJVM) 21 SINGLE SHAFT
TERMINAL LOCATION
(CQTM) REAR
TERMINAL TYPE AND QUANTITY
(TTQY) 5 SCREW
RECEIVER ERROR ANGULAR RANGE IN MINUTES
(AJVN) -45.0/+45.0

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