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NSN 5990-00-898-1393, 5990008981393
Cancelled -> Replaced by 5990011275617

Federal Supply Classification
FSC 5990 - Synchros and Resolvers
National Item Identification Number
NIIN 008981393
Codification Country
United States
Item Name Code
INC 27218
Criticality
(Y) This item does not have a nuclear hardened feature but does have other critical feature(s) 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 5990-00-898-1393

National Stock Number (NSN) 5990-00-898-1393, or NIIN 008981393, (synchro,receiver-transmitter) was assigned February 3, 1967 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 6 stock numbers. Five of the National Stock Numbers that it replaces are: 5990011275617, 5990000430396, 5990006364112, 5990006776500, 5990006776501.

There are 18 manufacturer part numbers associated with this NSN. 5 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 9 suppliers. Today, 6 suppliers are listed as Active suppliers 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 is actively being procured by the US Government, with procurement history within the last 90 days. There have been 128 contracts issued for this part number, with 117 awards given. There is moderate competition for this NSN. The US Government has awarded contracts to 9 different suppliers. The last contract numbers awarded were: SPE7M224P4652, SPE7M124P5690, SPE7M124P5688, SPE7M124P3016, SPE7M224P1331. The total value of the awarded contracts has been US$ 2,607,382.40.

This NSN is very common among different weapons systems, belonging to 39 different platforms.

This national stock number is in high demand. 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$ 394,112. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Sep 15, 2016, 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) 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 but does have other critical feature(s) 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 5990008981393 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

END ITEM IDENTIFICATION
(AGAV) 5FORRESTAL CLASS CV; STURGEON CLASS SSN (637); LOS ANGELES CLASS SSN (688); TICONDEROGA CLASS CG (47); GUN FIRE CONTROL SYSTEM, MK 68; NIMITZ CLASS CVN; SPRUANCE CLASS DD (963); VIRGINIA CLASS CGN (41); WMIS, WIND MEASURING AND INDICATING SYSTEMS
RECEIVER ERROR ANGULAR RANGE IN MINUTES
(AJVN) -36.0/+36.0
ELECTRICAL ERROR ANGULAR RANGE IN MINUTES
(AJVL) -8.0 TO 8.0
END ITEM IDENTIFICATION
(AGAV) FORRESTAL CLASS CV; STURGEON CLASS SSN (637); LOS ANGELES CLASS SSN (688); TICONDEROGA CLASS CG (47); GUN FIRE CONTROL SYSTEM, MK 68; NIMITZ CLASS CVN; SPRUANCE CLASS DD (963); VIRGINIA CLASS CGN (41); WMIS, WIND MEASURING AND INDICATING SYSTEMS
AFT OF FIRST FLANGE DIAMETER
(AJWV) 2.7490 INCHES MINIMUM AND 2.7500 INCHES MAXIMUM
BODY DIAMETER
(ABPM) 2.7000 INCHES MAXIMUM
BODY MATERIAL
(AAFZ) STEEL, STAINLESS
BODY SIZE
(AJSL) 31
BODY STYLE
(AAQL) STANDARD ROUND D
CRITICALITY CODE JUSTIFICATION
(CRTL) FEAT
FLANGE DIAMETER
(ABKK) 3.0990 INCHES MINIMUM AND 3.1000 INCHES MAXIMUM
FLANGE THICKNESS
(ABKU) 0.2500 INCHES NOMINAL
FRAGILITY FACTOR
(AFJN) MODERATELY RUGGED
FREQUENCY IN HERTZ
(AJSS) 400.0 NOMINAL
OVERALL LENGTH
(ABHP) 5.1000 INCHES NOMINAL
MAXIMUM FUNDAMENTAL NULL VOLTAGE IN MILLIVOLTS PER VOLT
(AJVG) 35.00 OUTPUT
MAXIMUM TEMP RISE
(AHCG) 60.0 DEG CELSIUS
MAXIMUM TOTAL NULL VOLTAGE OUTPUT IN MILLIVOLTS PER VOLT
(AJVH) 170.00
MOUNTING SURFACE TO TERMINAL END DISTANCE
(AJWX) 4.3700 INCHES NOMINAL
SHOULDER DIAMETER
(AAVH) 2.6950 INCHES MINIMUM AND 2.7000 INCHES MAXIMUM
SHOULDER LENGTH
(AJWR) 0.5950 INCHES NOMINAL
PHASE SHIFT ANGLE IN DEG
(AJVF) 2.000 INPUT TO OUTPUT NOMINAL
PILOT LENGTH
(AJWQ) 0.0300 INCHES NOMINAL
PILOT DIAMETER
(AAVL) 0.3000 INCHES NOMINAL
RECEIVER ERROR ANGULAR RANGE IN MINUTES
(AJVN) -36.0 TO 36.0
ROTOR INPUT CURRENT RATING
(AJST) 1.7 AMPERES MAXIMUM
ROTOR INPUT ELECTRICAL POWER RATING
(AJSV) 14.4 WATTS MAXIMUM
ROTOR INPUT VOLTAGE RATING IN VOLTS
(AJSR) 115.0 NOMINAL
SECOND SHOULDER DIAMETER
(AAZW) 2.7490 INCHES MINIMUM AND 2.7500 INCHES MAXIMUM
SECOND SHOULDER LENGTH
(AAZX) 0.3750 INCHES NOMINAL
SHAFT DIAMETER
(ABWV) 0.2403 INCHES MINIMUM AND 0.2405 INCHES MAXIMUM SINGLE SHAFT
SHAFT NOMINAL THREAD SIZE
(CWBH) 0.250 INCHES SINGLE SHAFT
SHAFT THREAD CLASS
(AKAN) 2A SINGLE SHAFT
SHAFT THREAD DIRECTION
(AKAF) RIGHT-HAND SINGLE SHAFT
SHAFT THREAD LENGTH
(CQWQ) 0.3100 INCHES NOMINAL SINGLE SHAFT
SHAFT THREAD SERIES DESIGNATOR
(AJYY) UNF SINGLE SHAFT
SHAFT TYPE
(CRSJ) SPLINE W/THREADS SINGLE SHAFT
SHAFT LENGTH
(ABXF) 0.7300 INCHES NOMINAL SINGLE SHAFT
SPECIAL FEATURES
(FEAT) WEAPON SYSTEM ESSENTIAL
TORQUE GRADIENT PER ANGULAR DEG
(AJVV) 0.670 INCH-OUNCES MINIMUM
TRANSFORMATION RATIO
(CSJY) 0.783 ROTOR TO STATOR NOMINAL
SPECIFICATION/STANDARD DATA
(ZZZK) 81349-MIL-S-20708/62 GOVERNMENT SPECIFICATION
SPLINE TOOTH QUANTITY
(AJVM) 22 SINGLE SHAFT
SPLINE TOOTH DIAMETRAL PITCH
(AJXA) 96 SINGLE SHAFT
TERMINAL LOCATION
(CQTM) REAR
TERMINAL TYPE AND QUANTITY
(TTQY) 5 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.).
ELECTRICAL ERROR ANGULAR RANGE IN MINUTES
(AJVL) -8.0/+8.0

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