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NSN 3040-00-385-7808, 3040003857808
WORM SHAFT

Federal Supply Classification
FSC 3040 - Miscellaneous Power Transmission Equipment
National Item Identification Number
NIIN 003857808
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 3040-00-385-7808

National Stock Number (NSN) 3040-00-385-7808, or NIIN 003857808, (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 no manufacturer part numbers associated to this NSN.

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 3040003857808 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

ERR DEFAULT
(CFQN) ERR DEFAULT
END SIMILARITY
(AAHN) NOT IDENTICAL
FSC APPLICATION DATA
(ZZZV) LAUNCHER,762-MM ROCKET,TRUCK MOUNTED,XM289
KEYWAY WIDTH
(ABRR) 0.188 INCHES NOMINAL FIRST END, THIRD PORTION
OVERALL LENGTH
(ABHP) 8.875 INCHES NOMINAL
MATERIAL
(MATT) STEEL
SCREW THREAD SERIES DESIGNATOR
(AJYP) UNF SECOND END, FOURTH PORTION
SCREW THREAD SERIES DESIGNATOR
(AJYP) UNS FIRST END, THIRD PORTION
SHAFT LOCATION
(CFFW) BOTH ENDS OF WORM
SHAFT HARDNESS RATING
(CFFM) 35.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM
SHAFT THREAD DIRECTION
(AKAF) RIGHT-HAND FIRST END, THIRD PORTION
SHAFT THREAD DIRECTION
(AKAF) RIGHT-HAND SECOND END, FOURTH PORTION
SPECIAL FEATURES
(FEAT) NO. 63 FINISH ON OD OF SECOND STEP,ON BOTH ENDS,ON SPLINE AND WORM TEETH SURFACES
THREAD LENGTH
(AASA) 0.495 INCHES MINIMUM FIRST END, THIRD PORTION
THREAD LENGTH
(AASA) 0.505 INCHES MAXIMUM FIRST END, THIRD PORTION
THREAD LENGTH
(AASA) 0.948 INCHES NOMINAL SECOND END, FOURTH PORTION
THREADED SECTION PIN HOLE DIAMETER
(CFQP) 0.140 INCHES NOMINAL SECOND END, FOURTH PORTION
UNTHREADED SECTION KEYWAY DEPTH
(CFGB) 0.094 INCHES NOMINAL FIRST END, SECOND PORTION
UNTHREADED SECTION KEYWAY WIDTH
(CFFZ) 0.1880 INCHES NOMINAL FIRST END, SECOND PORTION
WORM BODY LENGTH
(CFFP) 3.563 INCHES NOMINAL
WORM BODY TAPERED BEARING SURFACE END
(CFFQ) NOT PROVIDED
WORM HELIX ANGLE
(CFFG) 4 DEG 33 MIN.
WORM OUTSIDE DIAMETER
(CFFK) 2.8975 INCHES NOMINAL
WORM PITCH DIAMETER
(CFFL) 2.500 INCHES NOMINAL
WORM THREAD DIRECTION
(CFFD) LEFT-HAND
WORM PRESSURE ANGLE IN DEG
(CFFF) 14.500
WORM THREAD LEAD
(CFFC) 0.625 INCHES NOMINAL
WORM THREAD QUANTITY
(CFFB) 1
WORM THREAD SECTION LENGTH
(CFFN) 3.188 INCHES NOMINAL
SPLINE MAJOR DIAMETER
(AAUJ) 1.116 INCHES MINIMUM SECOND END, THIRD PORTION
SPLINE MAJOR DIAMETER
(AAUJ) 1.117 INCHES MAXIMUM SECOND END, THIRD PORTION
SPLINE MINOR DIAMETER
(ABSC) 1.021 INCHES MINIMUM SECOND END, THIRD PORTION
SPLINE MINOR DIAMETER
(ABSC) 1.022 INCHES MAXIMUM SECOND END, THIRD PORTION
STRAIGHT SPLINE LENGTH
(CFQN) 1.245 INCHES NOMINAL SECOND END, THIRD PORTION
STRAIGHT SPLINE QUANTITY
(CFQT) 10 EITHER END
STRAIGHT UNTHREADED LENGTH
(CFFX) 0.557 INCHES NOMINAL SECOND END, SECOND PORTION
STRAIGHT UNTHREADED LENGTH
(CFFX) 0.625 INCHES NOMINAL FIRST END, SECOND PORTION
STRAIGHT UNTHREADED LENGTH
(CFFX) 0.719 INCHES NOMINAL FIRST END, FIRST PORTION
STRAIGHT UNTHREADED LENGTH
(CFFX) 0.719 INCHES NOMINAL SECOND END, FIRST PORTION
STRAIGHT UNTHREADED SECTION DIAMETER
(CFFY) 1.1814 INCHES MAXIMUM FIRST END, SECOND PORTION
STRAIGHT UNTHREADED SECTION DIAMETER
(CFFY) 1.1814 INCHES MAXIMUM SECOND END, SECOND PORTION
STRAIGHT UNTHREADED SECTION DIAMETER
(CFFY) 1.1810 INCHES MINIMUM FIRST END, SECOND PORTION
STRAIGHT UNTHREADED SECTION DIAMETER
(CFFY) 1.1810 INCHES MINIMUM SECOND END, SECOND PORTION
STRAIGHT UNTHREADED SECTION DIAMETER
(CFFY) 1.438 INCHES NOMINAL FIRST END, FIRST PORTION
SURFACE TREATMENT
(SFTT) PHOSPHATE
TEETH HARDNESS RATING
(BYFR) 35.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM
III FSC APPLICATION DATA
(ZZZV) LAUNCHER,762-MM ROCKET,TRUCK MOUNTED,XM289
SURFACE TREATMENT
(SURF) PHOSPHATE
UNABLE TO DECODE
(SURF) UNABLE TO DECODE
UNABLE TO DECODE
(MATL) UNABLE TO DECODE
ERR DEFAULT
(CFQT) ERR DEFAULT
MATERIAL
(MATL) STEEL

Manufacturer Part Numbers

7189604

RNCC
3
RNVC
2
3040003857808

003857808

003857808


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