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NSN 2920-00-302-6499, 2920003026499
Cancelled -> Replaced by 2920009059791

Federal Supply Classification
FSC 2920 - Engine Electrical System Components, Nonaircraft
National Item Identification Number
NIIN 003026499
Codification Country
United States
Item Name Code
INC 17311
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 2920-00-302-6499

National Stock Number (NSN) 2920-00-302-6499, or NIIN 003026499, (generator,engine accessory) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 3 stock numbers: 2920009059791, 2920005333008, 2920007328763.

There are 4 manufacturer part numbers associated with this NSN. 4 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 suppliers. 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, with the most recent procurement date of May 16, 2015. There have been 5 contracts issued for this part number, with 5 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: SPE7L015V5629, SPE7L015V5629, SPE7L215V2678, SPE7L215V1241, SPM7L513M0166. The total value of the awarded contracts has been US$ 6,771.00.

This NSN is somewhat common among different platforms, belonging to 6 different weapons systems.

There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Nov 19, 2010, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The data needed to produce this item from additional sources is not physically available. Valid AMCs: 3, 4 and 5.

This NSN is assigned to Item Name Code (INC) 17311. [A GENERATOR PRIMARILY DESIGNED TO BE MOUNTED ON AN INTERNAL COMBUSTION ENGINE, AND TO BE DRIVEN BY THE ENGINE TO KEEP THE BATTERY IN A CHARGED CONDITION. MAY ALSO SUPPLY CURRENT FOR THE ENGINE IGNITION SYSTEM AND/OR ELECTRICAL EQUIPMENT WHICH IS CONNECTED TO THE BATTERY CIRCUIT. INCLUDES ALTERNATING CURRENT GENERATORS DESIGNED FOR USE WITH A RECTIFIER. EXCLUDES:THE MAJOR GENERATOR OF "GENERATING SETS". FOR GENERATORS SPECIFICALLY DESIGNED FOR AIRCRAFT USE AND NOT MOUNTED ON THE ENGINE, SEE GENERATOR, DIRECT CURRENT.]. 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 2920003026499 contains an unknown precious metal.

This NSN is associated to Schedule B 8511500000: generators for internal combustion engines, nesoi. The Schedule B End Use is listed as engines and engine parts (carburetors, pistons, rings, and valves.

This information was last updated on .


Technical Characteristics

DISTANCE BETWEEN INSIDE SURFACES OF HINGE BRACKET
(BCMD) 7.521 INCHES MINIMUM AND 7.538 INCHES MAXIMUM
DISTANCE BETWEEN OUTSIDE SURFACES OF HINGE BRACKET
(BCMF) 8.381 INCHES MINIMUM AND 8.598 INCHES MAXIMUM
DISTANCE BETWEEN SHAFT CENTER AND BOTTOM MOUNTING HOLE CENTER
(BCLY) 4.430 INCHES MINIMUM AND 4.450 INCHES MAXIMUM
DISTANCE BETWEEN SHAFT CENTER AND TOP MOUNTING HOLE CENTER
(BCLZ) 4.430 INCHES MINIMUM AND 4.450 INCHES MAXIMUM
ANGULAR DEVIATION OF FIRST HOLE FROM TOP CENTER IN DEG
(BCMB) 180.0
ANGULAR DEVIATION OF SECOND HOLE FROM FIRST HOLE IN DEG
(BCMC) 160.0
ARMATURE MINIMUM SPEED IN RPM AT FULL CURRENT OUTPUT
(BCGD) 1875
BOTTOM MOUNTING HOLE DIAMETER
(BCMH) 0.525 INCHES MINIMUM AND 0.537 INCHES MAXIMUM
FURNISHED ITEMS
(ABFF) RADIO INTERFERENCE SHIELDING
ENVIRONMENTAL PROTECTION
(ADZC) CORROSION RESISTANT AND FUNGUS RESISTANT
FSC APPLICATION DATA
(ZZZV) ENGINE ELECTRICAL SYSTEM,NONAIRCRAFT
GROUND POLARITY TYPE
(AXHX) NEGATIVE
GROUNDING METHOD
(BCGN) INTERNAL
NONDEFINITIVE SPEC/STD DATA
(ZZZT) B CLASS AND 2 GRADE AND B GROUP
MAXIMUM OUTPUT CURRENT RATING IN AMPS
(BCGF) 40.0
MAXIMUM RATED ARMATURE SPEED IN RPM
(BCND) 4000
MINIMUM CURRENT CUT-IN SPEED IN RPM
(BCGG) 1490
MOUNTING HOLE THREAD CLASS
(CMLN) 2B
MOUNTING HOLE THREAD DIAMETER
(CMLL) 0.375 INCHES NOMINAL
MOUNTING HOLE THREAD DIRECTION
(ACJC) RIGHT-HAND
MOUNTING HOLE THREAD QUANTITY PER INCH
(CMLM) 16
MOUNTING HOLE THREAD SERIES DESIGNATOR
(CMLK) UNC
MOUNTING STYLE
(ADER) BRACKET MTD W/THREE MTG HOLES, TOP HOLE THREADED
SHAFT DRIVE END STYLE
(BCGS) SPLINED SHAFT END, THREADED
SHAFT ROTATION DIRECTION
(AKCT) CLOCKWISE
THREAD CLASS
(CFHL) 2A
THREAD DIAMETER
(AWDP) 0.625 INCHES NOMINAL
THREAD DIRECTION
(AAJF) RIGHT-HAND
THREAD LENGTH
(AASA) 0.680 INCHES NOMINAL
THREAD SERIES
(BZRR) UNF
THREAD QUANTITY PER INCH
(CMLP) 18
VOLTAGE IN VOLTS
(ELEC) 28.0
SPLINE MAJOR DIAMETER
(AAUJ) 0.8586 INCHES MINIMUM AND 0.8636 INCHES MAXIMUM
SPLINE MINOR DIAMETER
(AAUH) 0.7225 INCHES MINIMUM AND 0.7335 INCHES MAXIMUM
SPLINE QUANTITY
(ABSA) 13
SPLINE WIDTH
(AAUK) 0.097 INCHES MINIMUM AND 0.0982 INCHES MAXIMUM
SPLINE LENGTH
(AXFH) 1.980 INCHES MINIMUM AND 2.020 INCHES MAXIMUM
SUBMERSIBILITY
(AHZV) NONSUBMERSIBLE
III MAXIMUM OUTPUT CURRENT RATING IN AMPS
(BCGF) 40.0
MAXIMUM OPERATING ALTITUDE RATING
(AKAE) NOT RATED

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