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NSN 3040-00-971-5975, 3040009715975
WORM SHAFT

Federal Supply Classification
FSC 3040 - Miscellaneous Power Transmission Equipment
National Item Identification Number
NIIN 009715975
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 3040-00-971-5975

National Stock Number (NSN) 3040-00-971-5975, or NIIN 009715975, (worm shaft) was assigned September 28, 1966 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 unique to one weapons system.

Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Dec 06, 2013, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The Government has unlimited rights to the technical data, and the data package is complete. Valid AMCs: 1 and 2.

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 3040009715975 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

III FSC APPLICATION DATA
(ZZZV) TELESCOPE
MATERIAL
(MATL) STEEL,QQ-S-763,CLASS 440F OR CLASS 416,COND A
END SIMILARITY
(AAHN) NOT IDENTICAL
FSC APPLICATION DATA
(ZZZV) TELESCOPE
OVERALL LENGTH
(ABHP) 4.510 INCHES MINIMUM AND 4.520 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) QQ-S-763, CLASS 440F OR CLASS 416, COND A FED SPEC ALL MATERIAL RESPONSES
MATERIAL
(MATT) STEEL COMP 440F OR STEEL COMP 416
SHAFT HARDNESS RATING
(CFFM) OVERALL ROCKWELL C,50 MIN,55 MAX OF FED,QQ-S-763,CLASS 440F,COND A,OR ROCKWELL C,30 MIN,35 MAX,QQ-S-763,CLASS416 COND A
SHAFT LOCATION
(CFFW) BOTH ENDS OF WORM
SPECIAL FEATURES
(FEAT) FOURTH PORTION OF FIRST END AND FIFTH PORTION OF SECOND END NOT HARDENED
UNTHREADED SECTION PIN HOLE DIAMETER
(CFGC) 0.0940 INCHES NOMINAL FIRST END, FOURTH PORTION
UNTHREADED SECTION PIN HOLE DIAMETER
(CFGC) 0.0940 INCHES NOMINAL SECOND END, FIFTH PORTION
WORM BODY LENGTH
(CFFP) 2.130 INCHES NOMINAL
WORM BODY TAPERED BEARING SURFACE END
(CFFQ) NOT PROVIDED
WORM HELIX ANGLE
(CFFG) 3 DEG 59 MIN 12 SEC
WORM OUTSIDE DIAMETER
(CFFK) 1.020 INCHES MINIMUM AND 1.022 INCHES MAXIMUM
WORM PITCH DIAMETER
(CFFL) 0.196 INCHES NOMINAL
WORM THREAD DIRECTION
(CFFD) RIGHT-HAND
WORM PRESSURE ANGLE IN DEG
(CFFF) 20.000
WORM THREAD LEAD
(CFFC) 0.196 INCHES NOMINAL
WORM THREAD QUANTITY
(CFFB) 1
WORM THREAD SECTION LENGTH
(CFFN) 1.870 INCHES MINIMUM AND 1.880 INCHES MAXIMUM
STRAIGHT UNTHREADED SECTION DIAMETER
(CFFY) 0.323 INCHES MINIMUM SECOND END, THIRD PORTION
STRAIGHT UNTHREADED SECTION DIAMETER
(CFFY) 0.325 INCHES MAXIMUM SECOND END, THIRD PORTION
STRAIGHT UNTHREADED LENGTH
(CFFX) 0.094 INCHES MINIMUM FIRST END, SECOND PORTION
STRAIGHT UNTHREADED LENGTH
(CFFX) 0.094 INCHES MINIMUM SECOND END, THIRD PORTION
STRAIGHT UNTHREADED LENGTH
(CFFX) 0.096 INCHES MAXIMUM FIRST END, SECOND PORTION
STRAIGHT UNTHREADED LENGTH
(CFFX) 0.096 INCHES MAXIMUM SECOND END, THIRD PORTION
STRAIGHT UNTHREADED LENGTH
(CFFX) 0.125 INCHES NOMINAL FIRST END, FIRST PORTION
STRAIGHT UNTHREADED LENGTH
(CFFX) 0.125 INCHES NOMINAL SECOND END, FIRST PORTION
STRAIGHT UNTHREADED LENGTH
(CFFX) 0.125 INCHES NOMINAL SECOND END, SECOND PORTION
STRAIGHT UNTHREADED LENGTH
(CFFX) 0.484 INCHES NOMINAL FIRST END, THIRD PORTION
STRAIGHT UNTHREADED LENGTH
(CFFX) 0.463 INCHES NOMINAL SECOND END, FOURTH PORTION
STRAIGHT UNTHREADED LENGTH
(CFFX) 0.580 INCHES MAXIMUM SECOND END, FIFTH PORTION
STRAIGHT UNTHREADED LENGTH
(CFFX) 0.560 INCHES MINIMUM FIRST END, FOURTH PORTION
STRAIGHT UNTHREADED LENGTH
(CFFX) 0.570 INCHES MAXIMUM FIRST END, FOURTH PORTION
STRAIGHT UNTHREADED LENGTH
(CFFX) 0.570 INCHES MINIMUM SECOND END, FIFTH PORTION
SURFACE TREATMENT
(SFTT) PASSIVATE
TEETH HARDNESS RATING
(BYFR) ROCKWELL C,50 MIN,55 MAX,FED,QQ-S-763,CLASS 440F COND A,OR ROCKWELL C,30 MIN,35 MAX,QQ-S-MLO,CLASS 416,COND A
MATERIAL
(MATT) STEEL,QQ-S-763,CLASS 440F OR CLASS 416,COND A
UNABLE TO DECODE
(MATL) UNABLE TO DECODE
SURFACE TREATMENT
(SURF) PASSIVATED
UNABLE TO DECODE
(SURF) UNABLE TO DECODE

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