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NSN 3020-01-025-7968, 3020010257968
SPROCKET WHEEL

Federal Supply Classification
FSC 3020 - Gears, Pulleys, Sprockets, and Transmission Chain
National Item Identification Number
NIIN 010257968
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 3020-01-025-7968

National Stock Number (NSN) 3020-01-025-7968, or NIIN 010257968, (sprocket wheel) was assigned August 9, 1976 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are 2 manufacturer part numbers associated with this NSN. None of the associated 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, with the most recent procurement date of Jul 10, 2013. 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: SPM7L513M2807. The total value of the awarded contracts has been US$ 1,470.00.

This NSN is unique to one weapons system.

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 Jul 02, 2005, 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) 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 3020010257968 contains an unknown precious metal.

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

DISTANCE FROM CENTER OF BORE TO BOTTOM OF KEYWAY
(AEVF) 0.986 INCHES NOMINAL
DISTANCE FROM HUB END TO FLANGE END
(ASYR) 0.956 INCHES NOMINAL AA END
ASA STANDARD CHAIN NUMBER
(BYFP) 80
BORE DIAMETER
(ABXV) 1.625 INCHES NOMINAL
BORE LENGTH
(ADGE) 1.531 INCHES NOMINAL
BORE TYPE
(ASBP) STRAIGHT
DESIGN FORM
(ARJD) PLAIN
FURNISHED ITEMS AND QUANTITY
(AKYN) SOCKET SET SCREW CUP POINT WITH PLASTIC INSERT
FURNISHED ITEMS
(ABFF) KEYING FACILITY
FACE WIDTH
(AQPL) 0.575 INCHES NOMINAL
HARDNESS RATING TEST METHOD
(BYFQ) NOT RATED
HOLE LOCATION
(BFYT) 0.281 IN. FROM END OF HUB
HUB OUTSIDE DIAMETER
(ALNC) 4.250 INCHES NOMINAL AA END
KEYWAY WIDTH
(ABRR) 0.377 INCHES NOMINAL
KEYING FACILITY TYPE
(BSGK) KEYWAY
OUTSIDE DIAMETER
(ABHE) 7.235 INCHES NOMINAL
OVERALL LENGTH
(ABHP) 1.531 INCHES NOMINAL
MATERIAL
(MATT) STEEL
PITCH DIAMETER
(AGJS) 6.710 INCHES NOMINAL
PROTRUDING HUB CHARACTERISTIC
(BYDZ) PLAIN
QUANTITY
(NMBR) 1
SECURING HOLE QUANTITY
(AHYF) 1
SECURING METHOD
(BSNP) THREADED HOLE
STYLE DESIGNATOR
(STYL) PLAIN
TEETH QUANTITY PER ROW
(BYFN) 21
TEETH ROW QUANTITY
(BYFL) 1
THREAD SIZE
(ABUJ) 3/8-16
TOOTH PITCH
(BYGF) 1.000 INCHES NOMINAL
LIGHTENING HOLE
(BXSJ) NOT INCLUDED
DISTANCE FROM OUTSIDE FLANGE/RIM TO HUB END AND LOCATION
(BYZF) 0.956 INCHES NOMINAL AA END
UNABLE TO DECODE
(BXSJ) UNABLE TO DECODE
UNABLE TO DECODE
(MATL) UNABLE TO DECODE
ROLLER CHAIN PITCH TYPE FOR WHICH DESIGNED
(BYFJ) SINGLE PITCH
HUB EXTERNAL KEYWAY
(BYFW) NOT INCLUDED
III STYLE DESIGNATOR
(STYL) PLAIN
BORE BEARING
(BYFS) NOT INCLUDED
UNABLE TO DECODE
(BYZF) UNABLE TO DECODE
COUNTERBORE FEATURE
(AXND) NOT INCLUDED
UNABLE TO DECODE
(AXND) UNABLE TO DECODE
UNABLE TO DECODE
(BYFJ) UNABLE TO DECODE
UNABLE TO DECODE
(BYFW) UNABLE TO DECODE
MATERIAL
(MATL) STEEL
KEYING FACILITY
(BSGG) INCLUDED
UNABLE TO DECODE
(BSGG) UNABLE TO DECODE
UNABLE TO DECODE
(BYFS) UNABLE TO DECODE
BELT/CHAIN/FILM SIZE FOR WHICH DESIGNED
(BYFH) ROLLER CHAIN
UNABLE TO DECODE
(BYFH) UNABLE TO DECODE
HUB END OUTSIDE DIAMETER AND LOCATION
(BYZD) 4.250 INCHES NOMINAL AA END
UNABLE TO DECODE
(BYZD) UNABLE TO DECODE

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