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NSN 3020-01-414-7959, 3020014147959
GEAR,INTERNAL

Federal Supply Classification
FSC 3020 - Gears, Pulleys, Sprockets, and Transmission Chain
National Item Identification Number
NIIN 014147959
Codification Country
United States
Item Name Code
INC 05465
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 3020-01-414-7959

National Stock Number (NSN) 3020-01-414-7959, or NIIN 014147959, (gear,internal) was assigned June 14, 1995 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are no manufacturer part numbers associated to this NSN.

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 3 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: Suitable for competitive acquisition for the first time. (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) 05465. [A GEAR WITH TEETH FORMED ON THE INNER SURFACE OF A CYLINDER OR CONE.]. 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 3020014147959 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

BODY STYLE
(AAQL) WEBBED, OFFSET, SOLID
BORE NOMINAL DIAMETER
(CWRS) 4.500 INCHES SECOND END
BORE STYLE
(ANTP) W/COUNTERBORE SECOND END
COUNTERBORE NOMINAL DEPTH
(CWTB) 0.943 INCHES COUNTER BORE, SECOND END
COUNTERBORE NOMINAL DIAMETER
(CWTG) 4.801 INCHES COUNTER BORE, SECOND END
END ITEM IDENTIFICATION
(AGAV) WEAPONS SYSTEM SEAWOLF CLASS SSN
FACE NOMINAL WIDTH
(CWRM) 1.630 INCHES
FIRST GROOVE NOMINAL DIAMETER
(CWYD) 5.720 INCHES SECOND END
FIRST GROOVE NOMINAL WIDTH
(CWXY) 0.120 INCHES SECOND END
HARDNESS RATING
(CQFM) 28.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM BODY
HUB NOMINAL DIAMETER
(CWTX) 5.750 INCHES SECOND END
HUB STYLE DESIGNATOR
(CWTR) 2 GROOVES SECOND END
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) ASTM A322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL
(MATT) STEEL COMP 4140 AND STEEL COMP 4142 OVERALL
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END
(CWQL) 2.894 INCHES SECOND END
NOMINAL DISTANCE FROM END TO FIRST GROOVE
(CWYL) 0.390 INCHES SECOND END
NOMINAL DISTANCE FROM END TO SECOND GROOVE
(CWZC) 2.122 INCHES SECOND END
NOMINAL OUTSIDE DIAMETER
(CWCD) 10.630 INCHES
NOMINAL OVERALL LENGTH
(CWFR) 5.336 INCHES
PITCH DIAMETER
(AGJS) 9.2500 INCHES NOMINAL
PRESSURE ANGLE
(CWPP) 20.0000 DEGREES
PRECISION CLASSIFICATION
(CWWK) ACCURACY GRADE 10
SECOND GROOVE NOMINAL WIDTH
(CWYR) 0.220 INCHES SECOND END
SECOND GROOVE NOMINAL DIAMETER
(CWYW) 5.720 INCHES SECOND END
SPECIAL FEATURES
(FEAT) HUB END EXTERNAL THREADED 5.750-12 UN-2A, AND 60 SPLINES BETWEEN FIRST AND SECOND GROOVE, GEAR USED ON VALVE OPERATOR
TOOTH FORM
(CWNH) STUB
STYLE DESIGNATOR
(STYL) SOLID BACK RING, PROTRUDING HUB
TEETH QUANTITY
(AJLA) 74
TEETH TYPE
(CWMW) SPUR
NOMINAL DISTANCE FROM END TO FIRST GROOVE
(CWYL) 0.390 INCHES
III MATERIAL
(MATT) STEEL COMP 4140 AND STEEL COMP 4142 OVERALL
III END ITEM IDENTIFICATION
(AGAV) WEAPONS SYSTEM SEAWOLF CLASS SSN
NOMINAL DISTANCE FROM END TO SECOND GROOVE
(CWZC) 2.122 INCHES
FIRST GROOVE NOMINAL WIDTH
(CWXY) 0.120 INCHES
SPECIAL FEATURES
(FEAT) HUB END EXTERNAL THREADED 5.750-12 UN-2A, AND 60 SPLINES BETWEEN FIRST AND SECOND GROOVE, GEAR USED ON VALVE OPERATOR
MATERIAL
(MATT) STEEL COMP 4140 OVERALL AND STEEL COMP 4142 OVERALL

Manufacturer Part Numbers


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