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NSN 3040-00-712-7699, 3040007127699
WORM SHAFT

Federal Supply Classification
FSC 3040 - Miscellaneous Power Transmission Equipment
National Item Identification Number
NIIN 007127699
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 3040-00-712-7699

National Stock Number (NSN) 3040-00-712-7699, or NIIN 007127699, (worm shaft) was assigned January 1, 1963 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. One of those 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 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 3040007127699 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

MATERIAL
(MATL) STEEL
UNABLE TO DECODE
(MATL) UNABLE TO DECODE
ERR DEFAULT
(CFGH) ERR DEFAULT
ERR DEFAULT
(ABNJ) ERR DEFAULT
END SIMILARITY
(AAHN) NOT IDENTICAL
INVOLUTE SPLINE LENGTH
(CFGM) 1.031 INCHES NOMINAL FIRST END, SECOND PORTION
INVOLUTE SPLINE PITCH DIAMETER
(CFGL) 0.6875 INCHES NOMINAL FIRST END, SECOND PORTION
INVOLUTE SPLINE QUANTITY
(CFGJ) 11 FIRST END, SECOND PORTION
INVOLUTE SPLINE PRESSURE ANGLE IN DEG
(CFGK) 30.0 FIRST END, SECOND PORTION
OVERALL LENGTH
(ABHP) 12.250 INCHES NOMINAL
MATERIAL
(MATT) STEEL
SHAFT LOCATION
(CFFW) BOTH ENDS OF WORM
SHAFT THREAD DIRECTION
(AKAF) RIGHT-HAND SECOND END, FOURTH PORTION
THREAD LENGTH
(AASA) 0.625 INCHES NOMINAL SECOND END, FOURTH PORTION
WORM OUTSIDE DIAMETER
(CFFK) 2.250 INCHES NOMINAL
WORM PITCH DIAMETER
(CFFL) 0.688 INCHES NOMINAL
WORM THREAD DIRECTION
(CFFD) RIGHT-HAND
WORM THREAD LEAD
(CFFC) 2.846 INCHES NOMINAL
WORM THREAD QUANTITY
(CFFB) 4
WORM THREAD SECTION LENGTH
(CFFN) 2.750 INCHES NOMINAL
WORM BODY LENGTH
(CFFP) 4.312 INCHES NOMINAL
WORM BODY TAPERED BEARING SURFACE END
(CFFQ) NOT PROVIDED
WORM HELIX ANGLE
(CFFG) 28 DEG
STRAIGHT UNTHREADED LENGTH
(CFFX) 0.876 INCHES NOMINAL FIRST END, FIRST PORTION
STRAIGHT UNTHREADED LENGTH
(CFFX) 0.906 INCHES NOMINAL SECOND END, FIRST PORTION
STRAIGHT UNTHREADED LENGTH
(CFFX) 1.250 INCHES NOMINAL SECOND END, SECOND PORTION
STRAIGHT UNTHREADED SECTION DIAMETER
(CFFY) 0.998 INCHES MINIMUM SECOND END, SECOND PORTION
STRAIGHT UNTHREADED SECTION DIAMETER
(CFFY) 1.000 INCHES MAXIMUM SECOND END, SECOND PORTION
STRAIGHT UNTHREADED SECTION DIAMETER
(CFFY) 1.1265 INCHES MINIMUM FIRST END, FIRST PORTION
STRAIGHT UNTHREADED SECTION DIAMETER
(CFFY) 1.1265 INCHES MINIMUM SECOND END, FIRST PORTION
STRAIGHT UNTHREADED SECTION DIAMETER
(CFFY) 1.1270 INCHES MAXIMUM FIRST END, FIRST PORTION
STRAIGHT UNTHREADED SECTION DIAMETER
(CFFY) 1.1270 INCHES MAXIMUM SECOND END, FIRST PORTION
TAPER LARGEST DIAMETER
(CFGD) 1.188 INCHES NOMINAL SECOND END, SECOND PORTION
TAPER LENGTH
(ABND) 1.469 INCHES NOMINAL SECOND END, THIRD PORTION
TAPER PER FOOT IN INCHES
(ABNJ) 1.500 SECOND END, SECOND PORTION
TAPERED SECTION KEYWAY DEPTH
(CFGH) 0.307 INCHES MINIMUM SECOND END, SECOND PORTION
TAPERED SECTION KEYWAY DEPTH
(CFGH) 0.313 INCHES MAXIMUM SECOND END, SECOND PORTION
TAPERED SECTION KEYWAY WIDTH
(CFGG) 0.2487 INCHES MINIMUM SECOND END, SECOND PORTION
TAPERED SECTION KEYWAY WIDTH
(CFGG) 0.2505 INCHES MAXIMUM SECOND END, SECOND PORTION
TEETH HARDNESS RATING
(BYFR) 55.0 ROCKWELL C MINIMUM
ERR DEFAULT
(CFGG) ERR DEFAULT
UNABLE TO DECODE
(SURF) UNABLE TO DECODE
SURFACE TREATMENT
(SURF) ANY ACCEPTABLE

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