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NSN 3020-01-238-8304, 3020012388304
SPROCKET WHEEL

Federal Supply Classification
FSC 3020 - Gears, Pulleys, Sprockets, and Transmission Chain
National Item Identification Number
NIIN 012388304
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 3020-01-238-8304

National Stock Number (NSN) 3020-01-238-8304, or NIIN 012388304, (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.

This NSN is somewhat common among different platforms, belonging to 4 different weapons systems.

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: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The Government physically does not have in its possession sufficient, accurate, or legible data to purchase this part from other than current source(s). (NOTE: This code is applicable only to parts under immediate buy requirements and only as long as the deficiency is under review for resolution and appropriate recoding.) Valid AMCs: 1, 2, 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 3020012388304 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

COUNTERBORE FEATURE
(AXND) INCLUDED
UNABLE TO DECODE
(MATL) UNABLE TO DECODE
SURFACE TREATMENT
(SURF) PHOSPHATE, MIL-P-16232, TYPE M, CLASS 2
UNABLE TO DECODE
(AXND) UNABLE TO DECODE
HUB END OUTSIDE DIAMETER AND LOCATION
(BYZD) 0.668 INCHES NOMINAL AA END AND 2.083 INCHES NOMINAL BB END
UNABLE TO DECODE
(BYFJ) UNABLE TO DECODE
UNABLE TO DECODE
(BYZF) UNABLE TO DECODE AND UNABLE TO DECODE
ROLLER CHAIN PITCH TYPE FOR WHICH DESIGNED
(BYFJ) SINGLE PITCH
BORE BEARING
(BYFS) NOT INCLUDED
UNABLE TO DECODE
(BSGG) UNABLE TO DECODE
UNABLE TO DECODE
(BXSJ) UNABLE TO DECODE
UNABLE TO DECODE
(SURF) UNABLE TO DECODE
LIGHTENING HOLE
(BXSJ) INCLUDED
UNABLE TO DECODE
(BYFS) UNABLE TO DECODE
UNABLE TO DECODE
(BYZD) UNABLE TO DECODE AND UNABLE TO DECODE
III STYLE DESIGNATOR
(STYL) PLAIN
BELT/CHAIN/FILM SIZE FOR WHICH DESIGNED
(BYFH) ROLLER CHAIN
UNABLE TO DECODE
(BYFH) UNABLE TO DECODE
KEYING FACILITY
(BSGG) NOT INCLUDED
DISTANCE FROM OUTSIDE FLANGE/RIM TO HUB END AND LOCATION
(BYZF) 1.517 INCHES NOMINAL AA END AND 0.610 INCHES NOMINAL BB END
DISTANCE FROM HUB END TO FLANGE END
(ASYR) 0.610 INCHES NOMINAL BB END
DISTANCE FROM HUB END TO FLANGE END
(ASYR) 1.517 INCHES NOMINAL AA END
BORE DIAMETER
(ABXV) 0.060 INCHES NOMINAL
BORE LENGTH
(ADGE) 0.827 INCHES NOMINAL
BORE TYPE
(ASBP) STRAIGHT
COUNTERBORE DEPTH
(AAWZ) 0.960 INCHES NOMINAL
COUNTERBORE LOCATION
(BDYS) AA END
COUNTERBORE DIAMETER
(AAWY) 0.437 INCHES NOMINAL
DESIGN FORM
(ARJD) PLAIN
FURNISHED ITEMS
(ABFF) COUNTERBORE AND LIGHTENING HOLE
FACE WIDTH
(AQPL) 0.110 INCHES NOMINAL
HARDNESS RATING TEST METHOD
(BYFQ) NOT RATED
HUB OUTSIDE DIAMETER
(ALNC) 0.668 INCHES NOMINAL AA END
HUB OUTSIDE DIAMETER
(ALNC) 2.083 INCHES NOMINAL BB END
OUTSIDE DIAMETER
(ABHE) 4.920 INCHES NOMINAL
OVERALL LENGTH
(ABHP) 2.267 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) MIL-S-5626, COMP 4140 MIL SPEC SINGLE MATERIAL RESPONSE
MATERIAL
(MATT) STEEL COMP 4140
SPECIAL FEATURES
(FEAT) 10 LIGHTENING HOLES EQL SP 0.750 DIA
PITCH DIAMETER
(AGJS) 4.778 INCHES NOMINAL
STYLE DESIGNATOR
(STYL) PLAIN
SURFACE TREATMENT
(SFTT) PHOSPHATE MANGANESE
TEETH ROW QUANTITY
(BYFL) 1
TEETH QUANTITY PER ROW
(BYFN) 60
TOOTH PITCH
(BYGF) 0.250 INCHES NOMINAL
MATERIAL
(MATL) STEEL, MIL-S-5626, COMP 4140

Manufacturer Part Numbers


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