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NSN 3020-00-003-1355, 3020000031355
GEAR,HELICAL

Federal Supply Classification
FSC 3020 - Gears, Pulleys, Sprockets, and Transmission Chain
National Item Identification Number
NIIN 000031355
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 3020-00-003-1355

National Stock Number (NSN) 3020-00-003-1355, or NIIN 000031355, (gear,helical) was assigned May 21, 1972 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There is only one manufacturer part number 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 5 years.

This NSN is unique to one weapons system.

Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Aug 02, 2004, 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 annual buy value of this part falls below the screening threshold of $10,000 but it has been screened for known source(s). (NOTE: This code shall not be used when screening parts entering the inventory. It shall not be assigned in preference to or supersede any other AMSC.) 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 3020000031355 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 COMP 4620 OVERALL
BODY STYLE
(AAQL) PLAIN, SOLID
BORE NOMINAL DIAMETER
(CWRS) 1.501 INCHES BOTH ENDS
BORE STYLE
(ANTP) INVOLUTE SPLINE BOTH ENDS
FACE NOMINAL WIDTH
(CWRM) 0.780 INCHES
HARDNESS RATING
(CQFM) 58.0 ROCKWELL C NOMINAL OVERALL
HELIX ANGLE
(CWPZ) 20.0000 DEGREES
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) MIL-S-7493,COMP 4620 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL
(MATT) STEEL COMP 4620 OVERALL
NOMINAL OUTSIDE DIAMETER
(CWCD) 2.518 INCHES
PITCH DIAMETER
(AGJS) 2.3944 INCHES NOMINAL
PRECISION CLASSIFICATION
(CWWK) QUALITY NUMBER 12
PRESSURE ANGLE
(CWPP) 20.0000 DEGREES
SPLINE PITCH DIAMETER
(BDTX) 1.4375 INCHES NOMINAL BOTH ENDS
SPLINE QUANTITY
(ABSA) 36 BOTH ENDS
STYLE DESIGNATOR
(STYL) HUBLESS
TEETH QUANTITY
(AJLA) 36
TEETH TYPE
(CWMW) SINGLE HELIX
TOOTH DIRECTION
(CWNM) RIGHT
TOOTH FORM
(CWNH) STANDARD

Manufacturer Part Numbers


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