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NSN 3020-01-443-4593, 3020014434593
GEAR,SPUR

Federal Supply Classification
FSC 3020 - Gears, Pulleys, Sprockets, and Transmission Chain
National Item Identification Number
NIIN 014434593
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 3020-01-443-4593

National Stock Number (NSN) 3020-01-443-4593, or NIIN 014434593, (gear,spur) was assigned April 10, 1997 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 3 suppliers. Today, 3 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers 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 Nov 01, 2020, 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) 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 3020014434593 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

BORE STYLE
(ANTP) 10B W/ 2 KEYWAYS FIRST END
III MATERIAL
(MATT) NICKEL ALLOY K-500 OVERALL
BODY STYLE
(AAQL) PLAIN, SOLID
BORE NOMINAL DIAMETER
(CWRS) 0.437 INCHES COUNTERBORE, FIRST END
BORE NOMINAL DIAMETER
(CWRS) 0.437 INCHES FIRST END
BORE STYLE
(ANTP) W/COUNTERBORE COUNTERBORE, FIRST END
BORE STYLE
(ANTP) W/ 2 KEYWAYS FIRST END
COUNTERBORE NOMINAL DEPTH
(CWTB) 1.312 INCHES COUNTERBORE, FIRST END
COUNTERBORE NOMINAL DIAMETER
(CWTG) 1.502 INCHES COUNTERBORE, FIRST END
END ITEM IDENTIFICATION
(AGAV) STRATEGIC SEALIFT CONVERSION SHIPS CLASS
END NOMINAL DIAMETER
(CWWN) 2.748 INCHES FIRST END
END NOMINAL LENGTH
(CWWH) 1.125 INCHES FIRST END
FACE NOMINAL WIDTH
(CWRM) 1.250 INCHES
FIRST STEP NOMINAL DIAMETER
(CWXB) 3.620 INCHES FIRST END
FIRST STEP NOMINAL LENGTH
(CWWS) 0.062 INCHES FIRST END
HARDNESS RATING
(CQFM) 24.0 ROCKWELL C MINIMUM AND 30.0 ROCKWELL C MAXIMUM OVERALL
HUB NOMINAL DIAMETER
(CWTX) 0.750 INCHES SECOND END
HUB STYLE DESIGNATOR
(CWTR) 1 STEP FIRST END
HUB STYLE DESIGNATOR
(CWTR) PLAIN SECOND END
KEYWAY NOMINAL WIDTH
(CWSN) 0.376 INCHES FIRST END
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) QQ-N-286 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL
(MATT) NICKEL ALLOY K-500 OVERALL
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END
(CWQL) 0.500 INCHES SECOND END
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END
(CWQL) 1.187 INCHES FIRST END
NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM
(CWSR) 1.449 INCHES FIRST END
NOMINAL OUTSIDE DIAMETER
(CWCD) 4.250 INCHES
PITCH DIAMETER
(AGJS) 4.0000 INCHES NOMINAL
PRESSURE ANGLE
(CWPP) 20.0000 DEGREES
SPECIAL FEATURES
(FEAT) THD BORE, 0.437-20UNF-2B
STYLE DESIGNATOR
(STYL) PROTRUDING HUBS
TEETH QUANTITY
(AJLA) 32
III HARDNESS RATING
(CQFM) 24.0 ROCKWELL C MINIMUM AND 30.0 ROCKWELL C MAXIMUM OVERALL

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