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NSN 3020-00-517-0975, 3020005170975
GEAR,SPUR

Federal Supply Classification
FSC 3020 - Gears, Pulleys, Sprockets, and Transmission Chain
National Item Identification Number
NIIN 005170975
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.
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DLMS® Summary

National Stock Number 3020-00-517-0975

National Stock Number (NSN) 3020-00-517-0975, or NIIN 005170975, (gear,spur) 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. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, there are no suppliers listed as an Active supplier for this NSN. Of the active suppliers, there are no suppliers that are deemed design controlled or valid supply parts.

This part number has not been procured by the US Government in over 5 years.

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 annual buy value of this part falls below the screening threshold of $10,000 but it has been screened for known source(s). (NOTE: This code shall not be used when screening parts entering the inventory. It shall not be assigned in preference to or supersede any other AMSC.) Valid AMCs: 1, 2, 3, 4 and 5.

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 3020005170975 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) 32.0 ROCKWELL C MINIMUM AND 36.0 ROCKWELL C MAXIMUM OVERALL
ATTACHMENT METHOD
(ABSX) MOUNTING HOLE
BODY STYLE
(AAQL) WEBBED, SOLID
BOLT HOLE CIRCLE NOMINAL DIAMETER
(CWZN) 2.250 INCHES AXIALLY THROUGH BODY, FIRST END
BORE STYLE
(ANTP) TAPERED W/KEYWAY FIRST END
FACE NOMINAL WIDTH
(CWRM) 0.500 INCHES
HARDNESS RATING
(CQFM) 32.0 ROCKWELL C MINIMUM AND 36.0 ROCKWELL C MAXIMUM OVERALL
HUB NOMINAL DIAMETER
(CWTX) 1.375 INCHES FIRST END
HUB NOMINAL DIAMETER
(CWTX) 1.375 INCHES SECOND END
HUB STYLE DESIGNATOR
(CWTR) PLAIN BOTH ENDS
KEYWAY NOMINAL WIDTH
(CWSN) 0.158 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) 0.510 INCHES BOTH ENDS
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END
(CWQL) 0.156 INCHES SECOND END
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END
(CWQL) 0.469 INCHES FIRST END
NOMINAL OVERALL LENGTH
(CWFR) 1.125 INCHES
NOMINAL OUTSIDE DIAMETER
(CWCD) 4.921 INCHES
SPECIAL FEATURES
(FEAT) 45 DEG CHAMFER 3/16 IN. LG ON FIRST HUB END,45 DEG CHAMFER 1/32 IN. LG ON SECOND HUB END
PITCH DIAMETER
(AGJS) 4.8750 INCHES NOMINAL
PRESSURE ANGLE
(CWPP) 14.5000 DEGREES
TOOTH FORM
(CWNH) STANDARD
STYLE DESIGNATOR
(STYL) PROTRUDING HUBS
SURFACE TREATMENT
(SFTT) ZINC OVERALL
TEETH QUANTITY
(AJLA) 78
TAPER MAJOR NOMINAL DIAMETER
(CWSW) 0.926 INCHES FIRST END

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