NSN 3040-00-971-4910, 3040009714910
GEARSHAFT,SPUR

Federal Supply Classification: FSC 3040 - Miscellaneous Power Transmission Equipment
National Item Identification Number: NIIN 009714910
Codification Country: United States
Item Name Code: INC 60541
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: We have 1 qualified suppliers

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DLMS^® Summary

National Stock Number 3040-00-971-4910

National Stock Number (NSN) 3040-00-971-4910, or NIIN 009714910, (gearshaft,spur) was assigned January 1, 1962 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. ISO Group has several sources of supply for this NSN.

This part number has not been procured by the US Government in over 5 years.

There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries.

This NSN is assigned to Item Name Code (INC) 60541. [A GEARSHAFT WITH A SINGLE COMPLEMENT OF SPUR GEAR TEETH. FOR ITEMS WITH MORE THAN ONE COMPLEMENT OF TEETH, SEE GEARSHAFT (1), MULTIPLE GEARS.]. 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 3040009714910 contains an unknown precious metal.

This NSN is associated to Schedule B 8483105000: transmission shafts and cranks, except camshafts and crankshafts. The Schedule B End Use is listed as industrial machines, other. NAICS classification category 333613: mechanical power transmission equipment manufacturing.

This information was last updated on Jul 01, 2025.

Technical Characteristics

SPECIAL FEATURES: (FEAT) ALUMINUM ALLOY,QQ-A-225/6,ALLOY 2024,T4,ANODIZED,MIL-A-8625,TY 1,0.490 IN. O/A LG;GEAR DATA,2 GEARS,1ST GEAR,130 TEETH,1.0973 MIN-1.0990 MAX IN. OD,1.0833 IN. PITCH DIA,0.049 MIN-0.052 MAX IN. W OF FACE,0.02618 IN CIRCULAR PITCH,20 DEG PRESSURE ANGLE;2ND GEAR 40 TEETH,0.4344 MIN-0.4365 MAX IN. OD;0.4167 IN. PITCH DIA,0.059 MIN-0.062 MAX IN. W OF FACE,0.03272 IN. CIRCULAR PITCH,20 DEG PRESSURE ANGLE;HUB BETWEEN GEARS,0.160 IN. DIA,0.054 IN. MIN,0.060 IN. LG,SHAFT STEPPED,1ST STEP,1ST END,0.1246 MIN-0.1248 MAX IN. DIA,0.090 MIN-0.092 MAX IN. LG,2ND STEP,0.105 IN. DIA,0.015 IN. LG,3RD STEP,0.160 IN. DIA,0.008 MIN-0.011 MAX IN. LG,0.115 MIN-0.116 MAX IN. LG FROM 1ST END OF SHAFT TO 1ST GEAR FACE,0.213 MIN-0.214 MAX IN. LG FROM 1ST END OF SHAFT TO FACE OF 2ND GEAR;2ND SHAFT END,1ST STEP,0.1246 MIN-0.1248 MAX IN. DIA,0.094 IN. LG OF 1ST STEP,2ND STEP,0.105 IN. DIA,0.015 IN. LG,3RD STEP,0.160 IN. DIA,0.106 MIN-0.108 MAX IN. LG OF 3RD STEP,0.215 MIN-0.217 MAX IN. LG