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NSN 3020-01-121-6428, 3020011216428
GEAR,SPUR

Federal Supply Classification
FSC 3020 - Gears, Pulleys, Sprockets, and Transmission Chain
National Item Identification Number
NIIN 011216428
Codification Country
United States
Item Name Code
INC 05466
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.
Availability: Readily Available Qualified Suppliers: Currently qualifying suppliers

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DLMS® Summary

National Stock Number 3020-01-121-6428

National Stock Number (NSN) 3020-01-121-6428, or NIIN 011216428, (gear,spur) was assigned November 6, 1981 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. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 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 Nov 30, 2016. There have been 2 contracts issued for this part number, with 2 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: SPE7L117V1194, SPE7L214M2427. The total value of the awarded contracts has been US$ 10,189.00.

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 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) 05466. [A GEAR, CYLINDRICAL IN FORM, WITH STRAIGHT TEETH ON THE OUTER SURFACE PARALLEL TO THE AXIS OF THE GEAR. SEE ALSO GEAR, ANTIBACKLASH, SPUR. FOR BULK MATERIAL, SEE ROD, PINION.]. 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 3020011216428 does not contain precious metals.

This NSN is associated to Schedule B 8483409000: gears and gearing, other than toothed wheels, chain sprockets and other transmission elements entered separately. The Schedule B End Use is listed as industrial machines, other. NAICS classification category 333612: speed changer, industrial high-speed drive, and gear manufacturing.

This information was last updated on .


Technical Characteristics

III MATERIAL
(MATT) STEEL COMP 4340 OVERALL
III HARDNESS RATING
(CQFM) 34.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
BORE STYLE
(ANTP) 10A W/ KEYWAY BOTH ENDS
ATTACHMENT METHOD
(ABSX) MOUNTING HOLE
BODY STYLE
(AAQL) PLAIN, SOLID
BOLT HOLE CIRCLE NOMINAL DIAMETER
(CWZN) 5.500 INCHES AXIALLY THROUGH BODY, FIRST END
BORE NOMINAL DIAMETER
(CWRS) 2.937 INCHES BOTH ENDS
BORE STYLE
(ANTP) W/ KEYWAY BOTH ENDS
FACE NOMINAL WIDTH
(CWRM) 0.438 INCHES
HARDNESS RATING
(CQFM) 34.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
HUB NOMINAL DIAMETER
(CWTX) 3.187 INCHES SECOND END
HUB NOMINAL DIAMETER
(CWTX) 4.000 INCHES FIRST END
HUB STYLE DESIGNATOR
(CWTR) PLAIN BOTH ENDS
KEYWAY NOMINAL WIDTH
(CWSN) 0.250 INCHES BOTH ENDS
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) FED STD 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL
(MATT) STEEL COMP 4340 OVERALL
MOUNTING HOLE THREAD QUANTITY PER INCH
(CMLM) 16 AXIALLY THROUGH BODY, FIRST END
MOUNTING HOLE THREAD SERIES DESIGNATOR
(CMLK) UNC AXIALLY THROUGH BODY, FIRST END
MOUNTING HOLE TYPE AND QUANTITY
(CTQY) 3 THREADED AXIALLY THROUGH BODY, FIRST END
MOUNTING HOLE NOMINAL THREAD SIZE
(CQLT) 0.375 INCHES AXIALLY THROUGH BODY, FIRST END
NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM
(CWSR) 1.593 INCHES BOTH ENDS
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END
(CWQL) 0.093 INCHES SECOND END
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END
(CWQL) 0.1875 INCHES FIRST END
NOMINAL OUTSIDE DIAMETER
(CWCD) 7.625 INCHES
PITCH DIAMETER
(AGJS) 7.5000 INCHES NOMINAL
PRESSURE ANGLE
(CWPP) 20.0000 DEGREES
TOOTH FORM
(CWNH) STANDARD
STYLE DESIGNATOR
(STYL) PROTRUDING HUBS
TEETH QUANTITY
(AJLA) 120

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