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NSN 3020-01-184-9503, 3020011849503
GEAR,HELICAL

Federal Supply Classification
FSC 3020 - Gears, Pulleys, Sprockets, and Transmission Chain
National Item Identification Number
NIIN 011849503
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 3020-01-184-9503

National Stock Number (NSN) 3020-01-184-9503, or NIIN 011849503, (gear,helical) was assigned July 24, 1984 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. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts.

This part number has not been procured by the US Government in over a year. There has been one contract issued for this part number, with one award given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE7M222P1188, SPE7M222P1188. The total value of the awarded contracts has been US$ 17,332.00.

This NSN is somewhat common among different platforms, belonging to 7 different weapons systems.

There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries. 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. (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) 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 3020011849503 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) PLAIN, SOLID
BORE NOMINAL DIAMETER
(CWRS) 2.060 INCHES COUNTERBORE, FIRST END
BORE NOMINAL DIAMETER
(CWRS) 2.125 INCHES SECOND END
BORE STYLE
(ANTP) INVOLUTE SPLINE SECOND END
BORE STYLE
(ANTP) W/STEPPED COUNTERBORE COUNTERBORE, FIRST END
COUNTERBORE NOMINAL DEPTH
(CWTB) 1.130 INCHES FIRST COUNTERBORE, SECOND END
COUNTERBORE NOMINAL DEPTH
(CWTB) 2.369 INCHES SECOND COUNTERBORE, SECOND END
COUNTERBORE NOMINAL DIAMETER
(CWTG) 1.682 INCHES SECOND COUNTERBORE, SECOND END
COUNTERBORE NOMINAL DIAMETER
(CWTG) 2.130 INCHES FIRST COUNTERBORE, SECOND END
END NOMINAL DIAMETER
(CWWN) 2.938 INCHES FIRST END
END NOMINAL LENGTH
(CWWH) 0.620 INCHES FIRST END
FACE NOMINAL WIDTH
(CWRM) 3.690 INCHES
FIRST GROOVE NOMINAL DIAMETER
(CWYD) 2.906 INCHES SECOND END
FIRST GROOVE NOMINAL WIDTH
(CWXY) 0.180 INCHES SECOND END
FIRST STEP NOMINAL DIAMETER
(CWXB) 2.954 INCHES FIRST END
FIRST STEP NOMINAL LENGTH
(CWWS) 1.010 INCHES FIRST END
HARDNESS RATING
(CQFM) 31.0 ROCKWELL C MINIMUM AND 36.0 ROCKWELL C MAXIMUM OVERALL
HARDNESS RATING
(CQFM) 45.0 ROCKWELL C MINIMUM AND 55.0 ROCKWELL C MAXIMUM TEETH
HELIX ANGLE
(CWPZ) 23.9497 DEGREES
HUB NOMINAL DIAMETER
(CWTX) 2.954 INCHES SECOND END
HUB STYLE DESIGNATOR
(CWTR) 1 GROOVE SECOND END
HUB STYLE DESIGNATOR
(CWTR) 1 STEP FIRST END
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) MIL-S-5000 COND A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL
(MATT) STEEL COMP 4340 OVERALL
NOMINAL DISTANCE FROM END TO FIRST GROOVE
(CWYL) 1.070 INCHES SECOND END
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END
(CWQL) 1.250 INCHES SECOND END
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END
(CWQL) 1.810 INCHES FIRST END
NOMINAL OUTSIDE DIAMETER
(CWCD) 3.900 INCHES
PITCH DIAMETER
(AGJS) 3.5000 INCHES NOMINAL
PRESSURE ANGLE
(CWPP) 20.0000 DEGREES
SPLINE PITCH DIAMETER
(BDTX) 1.8333 INCHES NOMINAL SECOND END
SPLINE QUANTITY
(ABSA) 11 SECOND END
STYLE DESIGNATOR
(STYL) PROTRUDING HUBS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
(STDC) MIL-C-14550 CLASS 3 MFR REF SINGLE TREATMENT RESPONSE SPLINE
SURFACE TREATMENT
(SFTT) COPPER SPLINE
TEETH QUANTITY
(AJLA) 16
TEETH TYPE
(CWMW) SINGLE HELIX
TOOTH DIRECTION
(CWNM) RIGHT
III MATERIAL
(MATT) STEEL COMP 4340 OVERALL

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