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NSN 3020-01-122-5181, 3020011225181
GEAR,HELICAL

Federal Supply Classification
FSC 3020 - Gears, Pulleys, Sprockets, and Transmission Chain
National Item Identification Number
NIIN 011225181
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 3020-01-122-5181

National Stock Number (NSN) 3020-01-122-5181, or NIIN 011225181, (gear,helical) was assigned November 22, 1981 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are 5 manufacturer part numbers associated with this NSN. 3 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 4 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 5 contracts issued for this part number, with 5 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 4 different suppliers. The last contract numbers awarded were: SPE7L523V0128, SPE7L523V0128, SPE7L522V3468, SPE7L522V3468, SPE7L522V3198. The total value of the awarded contracts has been US$ 88,494.08.

This NSN is fairly common among different weapons systems, belonging to 12 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$ 10,185. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Jan 01, 2013, 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 3020011225181 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

ATTACHMENT METHOD
(ABSX) MOUNTING HOLE
BODY STYLE
(AAQL) PLAIN, SOLID
BOLT HOLE CIRCLE NOMINAL DIAMETER
(CWZN) 1.359 INCHES AXIALLY THROUGH BODY, FIRST END AND 1.812 INCHES AXIALLY THROUGH BODY, FIRST END
BORE STYLE
(ANTP) SERRATED BOTH ENDS
FACE NOMINAL WIDTH
(CWRM) 0.766 INCHES
HELIX ANGLE
(CWPZ) 22.5000 DEGREES
MATERIAL
(MATT) STEEL CORROSION RESISTING OVERALL
MOUNTING HOLE NOMINAL DIAMETER
(CWZK) 0.125 INCHES AXIALLY THROUGH BODY, FIRST END
MOUNTING HOLE TYPE AND QUANTITY
(CTQY) 4 PLAIN AXIALLY THROUGH BODY, FIRST END AND 4 THREADED AXIALLY THROUGH BODY, FIRST END
MOUNTING HOLE NOMINAL THREAD SIZE
(CQLT) 0.250 INCHES AXIALLY THROUGH BODY, FIRST END
MOUNTING HOLE THREAD SERIES DESIGNATOR
(CMLK) UNF AXIALLY THROUGH BODY, FIRST END
NOMINAL OUTSIDE DIAMETER
(CWCD) 3.125 INCHES
SERRATION PITCH DIAMETER
(BDYK) 0.7310 INCHES NOMINAL BOTH ENDS
SERRATION QUANTITY
(ADDW) 48 BOTH ENDS
PITCH DIAMETER
(AGJS) 2.8125 INCHES NOMINAL
PRESSURE ANGLE
(CWPP) 14.5000 DEGREES
SPECIAL FEATURES
(FEAT) CBORE 1ST END,1.141 IN.DIA BY 0.125 IN.DP;CBORE 2ND END,0.938 IN.DIA BY 0.125 IN.DP
TOOTH FORM
(CWNH) STANDARD
TOOTH DIRECTION
(CWNM) LEFT
STYLE DESIGNATOR
(STYL) HUBLESS
TEETH QUANTITY
(AJLA) 45
TEETH TYPE
(CWMW) SINGLE HELIX
III MATERIAL
(MATT) STEEL CORROSION RESISTING OVERALL

Manufacturer Part Numbers


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