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NSN 3020-01-238-8302, 3020012388302
SPROCKET WHEEL

Federal Supply Classification
FSC 3020 - Gears, Pulleys, Sprockets, and Transmission Chain
National Item Identification Number
NIIN 012388302
Codification Country
United States
Item Name Code
INC 04456
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 3020-01-238-8302

National Stock Number (NSN) 3020-01-238-8302, or NIIN 012388302, (sprocket wheel) was assigned August 21, 1986 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There is only one manufacturer part number associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. Today, 2 suppliers are listed as Active suppliers 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 Oct 05, 2018. There has been one contract issued for this part number, with one award given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE7L119P0149. The total value of the awarded contracts has been US$ 501.37.

This NSN is somewhat common among different platforms, belonging to 4 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 Dec 09, 2014, 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) 04456. [A TOOTHED WHEEL WHOSE TEETH OR SPROCKETS ARE DESIGNED TO BE ENGAGED WITH THE LINKS OF A PITCH CHAIN, TRACK, OR THE LIKE. IT IS USUALLY USED FOR TRANSMITTING POWER.]. 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 3020012388302 does not contain precious metals.

This NSN is associated to Schedule B 8483901000: chain sprockets and parts thereof. The Schedule B End Use is listed as industrial machines, other. NAICS classification category 333613: mechanical power transmission equipment manufacturing.

This information was last updated on .


Technical Characteristics

UNABLE TO DECODE
(AXND) UNABLE TO DECODE
UNABLE TO DECODE
(MATL) UNABLE TO DECODE
DISTANCE FROM OUTSIDE FLANGE/RIM TO HUB END AND LOCATION
(BYZF) 1.900 INCHES MINIMUM AA END AND 0.610 INCHES MAXIMUM BB END
UNABLE TO DECODE
(BYZF) UNABLE TO DECODE AND UNABLE TO DECODE
DISTANCE FROM HUB END TO FLANGE END
(ASYR) 0.610 INCHES MAXIMUM BB END
DISTANCE FROM HUB END TO FLANGE END
(ASYR) 1.900 INCHES MINIMUM AA END
DRILLED HOLE DIAMETER
(AGGP) 0.193 INCHES NOMINAL
BORE TYPE
(ASBP) INVOLUTE SPLINE
DESIGN FORM
(ARJD) PLAIN
FURNISHED ITEMS
(ABFF) LIGHTENING HOLE AND BORE BEARING
FACE WIDTH
(AQPL) 0.110 INCHES NOMINAL
HARDNESS RATING TEST METHOD
(BYFQ) NOT RATED
HOLE LOCATION
(BFYT) ON SPROCKET FACE
HUB OUTSIDE DIAMETER
(ALNC) 0.780 INCHES MINIMUM AA END
HUB OUTSIDE DIAMETER
(ALNC) 2.083 INCHES MAXIMUM BB END
OUTSIDE DIAMETER
(ABHE) 4.920 INCHES NOMINAL
OVERALL LENGTH
(ABHP) 2.650 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) AISI 4140 ASSN STD SINGLE MATERIAL RESPONSE
MATERIAL
(MATT) STEEL COMP 4140
PITCH DIAMETER
(AGJS) 4.777 INCHES NOMINAL
PROTRUDING HUB CHARACTERISTIC
(BYDZ) PLAIN
SECURING HOLE QUANTITY
(AHYF) 5
SECURING METHOD
(BSNP) DRILLED HOLE
SPLINE LENGTH
(AXFH) 0.600 INCHES NOMINAL
SPLINE MAJOR DIAMETER
(AAUJ) 0.668 INCHES MINIMUM AND 0.669 INCHES MAXIMUM
SPLINE MINOR DIAMETER
(AAUH) 0.528 INCHES NOMINAL
SPLINE PITCH DIAMETER
(BDTX) 0.625 INCHES NOMINAL
SPLINE PRESSURE ANGLE IN DEG
(AXFG) 30.0
SPLINE QUANTITY
(ABSA) 1
SPECIAL FEATURES
(FEAT) TEN 0.120 IN.DIA.HOLES INDEX TO SUPPORT TOOTH VALLEY EQL SP BETWEEN TEN 0.750 IN.DIA. LIGHTENING HOLES WITH 5-0.193 IN.DIA. EQL SP MOUNTING HOLES
STYLE DESIGNATOR
(STYL) PLAIN
TEETH QUANTITY PER ROW
(BYFN) 60
TEETH ROW QUANTITY
(BYFL) 1
UNABLE TO DECODE
(BXSJ) UNABLE TO DECODE
HUB EXTERNAL KEYWAY
(BYFW) NOT INCLUDED
UNABLE TO DECODE
(BYFW) UNABLE TO DECODE
MATERIAL
(MATL) STEEL, AISI 4140
III STYLE DESIGNATOR
(STYL) PLAIN
BORE BEARING
(BYFS) INCLUDED
SPLINE MINOR DIAMETER
(ABSC) 0.528 INCHES NOMINAL
COUNTERBORE FEATURE
(AXND) NOT INCLUDED
HUB END OUTSIDE DIAMETER AND LOCATION
(BYZD) 0.780 INCHES MINIMUM AA END AND 2.083 INCHES MAXIMUM BB END
UNABLE TO DECODE
(BYZD) UNABLE TO DECODE AND UNABLE TO DECODE
BELT/CHAIN/FILM SIZE FOR WHICH DESIGNED
(BYFH) ROLLER CHAIN
UNABLE TO DECODE
(ABSC) UNABLE TO DECODE
LIGHTENING HOLE
(BXSJ) INCLUDED
UNABLE TO DECODE
(BYFH) UNABLE TO DECODE
UNABLE TO DECODE
(BYFS) UNABLE TO DECODE

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