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NSN 3040-01-243-1029, 3040012431029
WORM SHAFT

Federal Supply Classification
FSC 3040 - Miscellaneous Power Transmission Equipment
National Item Identification Number
NIIN 012431029
Codification Country
United States
Item Name Code
INC 18249
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 3040-01-243-1029

National Stock Number (NSN) 3040-01-243-1029, or NIIN 012431029, (worm shaft) was assigned October 22, 1986 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 Sep 02, 2005, 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 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) 18249. [A DRIVE SHAFT HAVING HELICAL THREAD(S) ON A PORTION OF ITS OUTER SURFACE, MACHINED BEARING SURFACE(S) AND FACILITIES FOR DRIVING (OTHER THAN A HUB) ON ONE OR BOTH ENDS OF SHAFT. DESIGNED TO MATE WITH A CAM, GEAR SECTOR, WORM WHEEL, AND THE LIKE. ICLUDES ITEMS WITH BEARINGS. EXCLUDES:ITEMS HAVING MORE THAN ON WORM COMPLEMENT OF HELICAL THREADS, ITEMS WITH A SEPARATE COMPLEMENT OF GEAR TEETH, AND GEAR, WORM.]. 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 3040012431029 does not contain precious metals.

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 .


Technical Characteristics

END SIMILARITY
(AAHN) NOT IDENTICAL
OVERALL LENGTH
(ABHP) 1.937 INCHES NOMINAL
MATERIAL
(MATT) STEEL CORROSION RESISTING
SCREW THREAD SERIES DESIGNATOR
(AJYP) UNC SECOND END, SECOND PORTION
SECTION SHAPE
(CCKD) HEXAGON FIRST END, SECOND PORTION
SHAFT LOCATION
(CFFW) BOTH ENDS OF WORM
SHAFT SECTION SIZE
(CFQQ) 0.375 IN. ACROSS FLATS
THREAD LENGTH
(AASA) 0.500 INCHES NOMINAL SECOND END, SECOND PORTION
WORM BODY LENGTH
(CFFP) 0.218 INCHES NOMINAL
WORM BODY TAPERED BEARING SURFACE END
(CFFQ) NOT PROVIDED
WORM OUTSIDE DIAMETER
(CFFK) 0.499 INCHES NOMINAL
WORM PITCH DIAMETER
(CFFL) 0.447 INCHES NOMINAL
WORM PRESSURE ANGLE IN DEG
(CFFF) 14.500
WORM THREAD LEAD
(CFFC) 0.083 INCHES NOMINAL
WORM THREAD DIRECTION
(CFFD) RIGHT-HAND
WORM THREAD QUANTITY
(CFFB) 1
WORM THREAD SECTION LENGTH
(CFFN) 0.875 INCHES NOMINAL
STRAIGHT UNTHREADED SECTION DIAMETER
(CFFY) 0.250 INCHES NOMINAL SECOND END, FIRST PORTION
STRAIGHT UNTHREADED SECTION DIAMETER
(CFFY) 0.656 INCHES NOMINAL FIRST END, FIRST PORTION
STRAIGHT UNTHREADED LENGTH
(CFFX) 0.094 INCHES NOMINAL SECOND END, FIRST PORTION
STRAIGHT UNTHREADED LENGTH
(CFFX) 0.125 INCHES NOMINAL FIRST END, FIRST PORTION
UNABLE TO DECODE
(AGVN) UNABLE TO DECODE
SHAFT THREAD SIZE
(AGVN) 1/4-20
UNABLE TO DECODE
(MATL) UNABLE TO DECODE
MATERIAL
(MATL) STEEL, CORROSION RESISTING

Manufacturer Part Numbers


Related Inventory

2873547
3040-01-243-1029
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