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NSN 3020-00-441-5958, 3020004415958
GEAR,HELICAL

Federal Supply Classification
FSC 3020 - Gears, Pulleys, Sprockets, and Transmission Chain
National Item Identification Number
NIIN 004415958
Codification Country
United States
Item Name Code
INC 05464
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 3020-00-441-5958

National Stock Number (NSN) 3020-00-441-5958, or NIIN 004415958, (gear,helical) was assigned May 20, 1974 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are 4 manufacturer part numbers associated with this NSN. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers are deemed design controlled or valid supply parts. ISO Group has several sources of supply for this NSN.

This part number has not been procured by the US Government in over a year. There have been 4 contracts issued for this part number, with 3 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: SPE7L522V2928, SPE7L522V2848, SPE7L521V0949, SPE7L520V0806. The total value of the awarded contracts has been US$ 12,848.75.

This NSN is fairly common among different weapons systems, belonging to 13 different platforms.

There has been a small amount of demand for this national stock number. The demand for this NSN originated from less than 5 countries. The 24 month forecast from the US Government for this part number has high volatility, with an estimated forecasted value of US$ 3,954. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Jan 01, 2021, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The data or the rights to use the data needed to purchase this part from additional sources are not owned by the Government and it has been determined that it is uneconomical to purchase them. Valid AMCs: 1, 2, 3, 4 and 5.

This NSN is assigned to Item Name Code (INC) 05464. [A GEAR, CYLINDRICAL IN FORM, WITH TEETH ON THE OUTER SURFACE AT AN ANGLE TO THE AXIS OF THE GEAR. SEE ALSO GEAR, ANTIBACKLASH, HELICAL:]. 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 3020004415958 contains an unknown precious metal.

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 OVERALL
ATTACHMENT METHOD
(ABSX) MOUNTING HOLE
BODY STYLE
(AAQL) WEBBED, SOLID
BOLT HOLE CIRCLE NOMINAL DIAMETER
(CWZN) 3.000 INCHES AXIALLY THROUGH FLANGE
BORE NOMINAL DIAMETER
(CWRS) 1.8750 INCHES BOTH ENDS
BORE STYLE
(ANTP) PLAIN BOTH ENDS
FURNISHED ITEMS AND QUANTITY
(TMQY) 1 EXTERNALLY LUBRICATED BEARING
FACE NOMINAL WIDTH
(CWRM) 1.188 INCHES
HELIX ANGLE
(CWPZ) 17.0000 DEGREES
HUB NOMINAL DIAMETER
(CWTX) 2.500 INCHES SECOND END
HUB NOMINAL DIAMETER
(CWTX) 4.812 INCHES FIRST END
HUB STYLE DESIGNATOR
(CWTR) PLAIN BOTH ENDS
MATERIAL
(MATT) STEEL OVERALL
MOUNTING HOLE NOMINAL THREAD SIZE
(CQLT) 0.375 INCHES AXIALLY THROUGH FLANGE
MOUNTING HOLE THREAD SERIES DESIGNATOR
(CMLK) UNF AXIALLY THROUGH FLANGE
MOUNTING HOLE TYPE AND QUANTITY
(CTQY) 3 THREADED AXIALLY THROUGH FLANGE
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END
(CWQL) 0.250 INCHES FIRST END
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END
(CWQL) 0.250 INCHES SECOND END
NOMINAL OUTSIDE DIAMETER
(CWCD) 4.5000 INCHES
PITCH DIAMETER
(AGJS) 4.1250 INCHES NOMINAL
PRESSURE ANGLE
(CWPP) 20.0000 DEGREES
SPECIAL FEATURES
(FEAT) END ITEM IS DIESEL ENGINE,GENERAL MOTORS CORP,SERIES 71
TOOTH DIRECTION
(CWNM) LEFT
TOOTH FORM
(CWNH) STANDARD
STYLE DESIGNATOR
(STYL) PROTRUDING HUBS
TEETH TYPE
(CWMW) SINGLE HELIX
TEETH QUANTITY
(AJLA) 40

Manufacturer Part Numbers


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