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NSN 3020-00-517-2421, 3020005172421
SPROCKET WHEEL

Federal Supply Classification
FSC 3020 - Gears, Pulleys, Sprockets, and Transmission Chain
National Item Identification Number
NIIN 005172421
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 3020-00-517-2421

National Stock Number (NSN) 3020-00-517-2421, or NIIN 005172421, (sprocket wheel) was assigned January 1, 1963 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.

This NSN is unique to one weapons system.

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 3020005172421 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

HUB END OUTSIDE DIAMETER AND LOCATION
(BYZD) 2.000 INCHES NOMINAL AA END AND 1.875 INCHES NOMINAL BB END
UNABLE TO DECODE
(BYFJ) UNABLE TO DECODE
UNABLE TO DECODE
(BYZF) UNABLE TO DECODE AND UNABLE TO DECODE
MATERIAL
(MATL) STEEL, MIL-S-16113, GRADE M AND STEEL, MIL-S-20166, GRADE M
UNABLE TO DECODE
(BSGG) UNABLE TO DECODE
UNABLE TO DECODE
(BYFS) UNABLE TO DECODE
ASA STANDARD CHAIN NUMBER
(BYFP) 40
BORE DIAMETER
(ABXV) 1.188 INCHES MINIMUM AND 1.1886 INCHES MAXIMUM
BORE LENGTH
(ADGE) 1.188 INCHES NOMINAL
BORE TYPE
(ASBP) STRAIGHT
DESIGN FORM
(ARJD) PLAIN
DISTANCE FROM CENTER OF BORE TO BOTTOM OF KEYWAY
(AEVF) 0.844 INCHES NOMINAL
DISTANCE FROM HUB END TO FLANGE END
(ASYR) 0.296 INCHES NOMINAL BB END
DISTANCE FROM HUB END TO FLANGE END
(ASYR) 0.5455 INCHES NOMINAL AA END
FURNISHED ITEMS
(ABFF) KEYING FACILITY AND LIGHTENING HOLE
FACE WIDTH
(AQPL) 0.284 INCHES NOMINAL
HARDNESS RATING TEST METHOD
(BYFQ) NOT RATED
HUB OUTSIDE DIAMETER
(ALNC) 1.875 INCHES NOMINAL BB END
HUB OUTSIDE DIAMETER
(ALNC) 2.000 INCHES NOMINAL AA END
KEY WIDTH
(ABSF) 0.250 INCHES NOMINAL
KEYING FACILITY TYPE
(BSGK) KEYWAY
KEYWAY WIDTH
(ABRR) 0.312 INCHES NOMINAL
OUTSIDE DIAMETER
(ABHE) 13.185 INCHES NOMINAL
OVERALL LENGTH
(ABHP) 1.188 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) MIL-S-16113, GRADE M MIL SPEC 1ST MATERIAL RESPONSE AND MIL-S-20166, GRADE M MIL SPEC 2ND MATERIAL RESPONSE
MATERIAL
(MATT) STEEL UNS K11801 OR STEEL UNS K11802 AND STEEL COMP 1022
PITCH DIAMETER
(AGJS) 12.895 INCHES NOMINAL
QUANTITY
(NMBR) 1
STYLE DESIGNATOR
(STYL) PLAIN
TEETH ROW QUANTITY
(BYFL) 1
TEETH QUANTITY PER ROW
(BYFN) 81
TOOTH PITCH
(BYGF) 0.500 INCHES NOMINAL
GUIDE
(AQWM) NOT INCLUDED
KEYING FACILITY
(BSGG) INCLUDED
BORE BEARING
(BYFS) NOT INCLUDED
UNABLE TO DECODE
(BYFW) UNABLE TO DECODE
III STYLE DESIGNATOR
(STYL) PLAIN
UNABLE TO DECODE
(AXND) UNABLE TO DECODE
BELT/CHAIN/FILM SIZE FOR WHICH DESIGNED
(BYFH) ROLLER CHAIN
UNABLE TO DECODE
(BYZD) UNABLE TO DECODE AND UNABLE TO DECODE
DISTANCE FROM OUTSIDE FLANGE/RIM TO HUB END AND LOCATION
(BYZF) 0.5455 INCHES NOMINAL AA END AND 0.296 INCHES NOMINAL BB END
UNABLE TO DECODE
(MATL) UNABLE TO DECODE AND UNABLE TO DECODE
LIGHTENING HOLE
(BXSJ) INCLUDED
UNABLE TO DECODE
(BYFH) UNABLE TO DECODE
UNABLE TO DECODE
(AQWM) UNABLE TO DECODE
COUNTERBORE FEATURE
(AXND) NOT INCLUDED
ROLLER CHAIN PITCH TYPE FOR WHICH DESIGNED
(BYFJ) SINGLE PITCH
HUB EXTERNAL KEYWAY
(BYFW) NOT INCLUDED
UNABLE TO DECODE
(BXSJ) UNABLE TO DECODE

Manufacturer Part Numbers


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