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NSN 3020-00-678-6386, 3020006786386
GEAR,HELICAL

Federal Supply Classification
FSC 3020 - Gears, Pulleys, Sprockets, and Transmission Chain
National Item Identification Number
NIIN 006786386
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.
Availability: Readily Available Qualified Suppliers: Currently qualifying suppliers

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DLMS® Summary

National Stock Number 3020-00-678-6386

National Stock Number (NSN) 3020-00-678-6386, or NIIN 006786386, (gear,helical) was assigned December 7, 1965 in the Federal Logistics Information System (FLIS). 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 Jul 02, 2005, this NSN's acquisition method was noted as: Acquire only from the prime contractor although the engineering data identifies the Commercial and Government Entity Code (CAGE) and part number of a source other than the prime contractor. The Government physically does not have in its possession sufficient, accurate, or legible data to purchase this part from other than current source(s). (NOTE: This code is applicable only to parts under immediate buy requirements and only as long as the deficiency is under review for resolution and appropriate recoding.) 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 3020006786386 contains an unknown precious metal.

This information was last updated on .


Technical Characteristics

HARDNESS RATING
(CQFM) 285.0 BRINELL STANDARD MINIMUM AND 325.0 BRINELL STANDARD MAXIMUM OVERALL
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END
(CWQL) 0.375 INCHES FIRST END
FACE NOMINAL WIDTH
(CWRM) 1.750 INCHES
KEYWAY NOMINAL WIDTH
(CWSN) 0.376 INCHES BOTH ENDS
TEETH TYPE
(CWMW) SINGLE HELIX
HUB NOMINAL DIAMETER
(CWTX) 2.500 INCHES SECOND END
HELIX ANGLE
(CWPZ) 30.0483 DEGREES
BORE STYLE
(ANTP) TAPERED W/KEYWAY FIRST END
NOMINAL DISTANCE BETWEEN BODY FACE AND RECESSED HUB END
(CWQR) 0.500 INCHES SECOND END
NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM
(CWSR) 1.639 INCHES BOTH ENDS
HUB STYLE DESIGNATOR
(CWTR) PLAIN SECOND END
TEETH QUANTITY
(AJLA) 65
TAPER MAJOR NOMINAL DIAMETER
(CWSW) 1.868 INCHES FIRST END
STYLE DESIGNATOR
(STYL) ONE PROTRUDING HUB, ONE RECESSED HUB
PITCH DIAMETER
(AGJS) 6.5520 INCHES NOMINAL
TOOTH DIRECTION
(CWNM) LEFT
TOOTH FORM
(CWNH) STANDARD
III MATERIAL
(MATT) STEEL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) MIL-S-890,ALLOY NO. 4 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NOMINAL OUTSIDE DIAMETER
(CWCD) 6.724 INCHES
MATERIAL
(MATT) STEEL OVERALL

Manufacturer Part Numbers


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