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NSN 3040-00-421-1679, 3040004211679
WORM SHAFT

Federal Supply Classification
FSC 3040 - Miscellaneous Power Transmission Equipment
National Item Identification Number
NIIN 004211679
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 3040-00-421-1679

National Stock Number (NSN) 3040-00-421-1679, or NIIN 004211679, (worm shaft) was assigned March 14, 1969 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 been procured by the US Government within the last year, but shows no recent (last 90 days) procurement activity. There have been 3 contracts issued for this part number, with 3 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 2 different suppliers. The last contract numbers awarded were: SPE7L324P1524, SPE7L315VB966, SPE7L315VB966, SPE7L314M8171. The total value of the awarded contracts has been US$ 7,021.80.

This NSN is somewhat common among different platforms, belonging to 2 different weapons systems.

There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Jul 02, 2005, 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 3040004211679 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, CORROSION RESISTING
UNABLE TO DECODE
(SURF) UNABLE TO DECODE
III FSC APPLICATION DATA
(ZZZV) MOUNT,TELESCOPE
END SIMILARITY
(AAHN) NOT IDENTICAL
FSC APPLICATION DATA
(ZZZV) MOUNT,TELESCOPE
OVERALL LENGTH
(ABHP) 4.410 INCHES NOMINAL
MATERIAL
(MATT) STEEL CORROSION RESISTING
SCREW THREAD SERIES DESIGNATOR
(AJYP) UNF FIRST END
SHAFT LOCATION
(CFFW) BOTH ENDS OF WORM
SHAFT HARDNESS RATING
(CFFM) 26.0 ROCKWELL C MINIMUM AND 31.0 ROCKWELL C MAXIMUM
SHAFT THREAD DIRECTION
(AKAF) RIGHT-HAND FIRST END, FIFTH PORTION
THREAD LENGTH
(AASA) 0.261 INCHES NOMINAL FIRST END, FIFTH PORTION
WORM BODY LENGTH
(CFFP) 0.740 INCHES MINIMUM AND 0.750 INCHES MAXIMUM
WORM BODY TAPERED BEARING SURFACE END
(CFFQ) NOT PROVIDED
WORM HELIX ANGLE
(CFFG) 5 DEG 11 MIN
WORM OUTSIDE DIAMETER
(CFFK) 0.513 INCHES MINIMUM AND 0.518 INCHES MAXIMUM
WORM PITCH DIAMETER
(CFFL) 0.436 INCHES MINIMUM AND 0.438 INCHES MAXIMUM
WORM THREAD DIRECTION
(CFFD) LEFT-HAND
WORM PRESSURE ANGLE IN DEG
(CFFF) 14.500
WORM THREAD LEAD
(CFFC) 0.125 INCHES NOMINAL
WORM THREAD QUANTITY
(CFFB) 1
WORM THREAD SECTION LENGTH
(CFFN) 0.740 INCHES MINIMUM AND 0.750 INCHES MAXIMUM
STRAIGHT UNTHREADED LENGTH
(CFFX) 1.750 INCHES NOMINAL SECOND END, THIRD PORTION
STRAIGHT UNTHREADED SECTION DIAMETER
(CFFY) 0.240 INCHES MINIMUM FIRST END, SIXTH PORTION
STRAIGHT UNTHREADED SECTION DIAMETER
(CFFY) 0.240 INCHES MINIMUM SECOND END, SECOND PORTION
STRAIGHT UNTHREADED SECTION DIAMETER
(CFFY) 0.250 INCHES MAXIMUM FIRST END, SIXTH PORTION
STRAIGHT UNTHREADED SECTION DIAMETER
(CFFY) 0.250 INCHES MAXIMUM SECOND END, SECOND PORTION
STRAIGHT UNTHREADED SECTION DIAMETER
(CFFY) 0.277 INCHES MINIMUM FIRST END, SECOND PORTION
STRAIGHT UNTHREADED SECTION DIAMETER
(CFFY) 0.279 INCHES MAXIMUM FIRST END, SECOND PORTION
STRAIGHT UNTHREADED SECTION DIAMETER
(CFFY) 0.310 INCHES MINIMUM FIRST END, FIRST PORTION
STRAIGHT UNTHREADED SECTION DIAMETER
(CFFY) 0.310 INCHES MINIMUM SECOND END, FIRST PORTION
STRAIGHT UNTHREADED SECTION DIAMETER
(CFFY) 0.310 INCHES MINIMUM SECOND END, THIRD PORTION
STRAIGHT UNTHREADED SECTION DIAMETER
(CFFY) 0.311 INCHES MAXIMUM SECOND END, THIRD PORTION
STRAIGHT UNTHREADED SECTION DIAMETER
(CFFY) 0.3146 INCHES MINIMUM FIRST END, FOURTH PORTION
STRAIGHT UNTHREADED SECTION DIAMETER
(CFFY) 0.320 INCHES MAXIMUM FIRST END, FIRST PORTION
STRAIGHT UNTHREADED SECTION DIAMETER
(CFFY) 0.320 INCHES MAXIMUM SECOND END, FIRST PORTION
STRAIGHT UNTHREADED SECTION DIAMETER
(CFFY) 0.3150 INCHES MAXIMUM FIRST END, FOURTH PORTION
STRAIGHT UNTHREADED SECTION DIAMETER
(CFFY) 0.340 INCHES MAXIMUM FIRST END, THIRD PORTION
STRAIGHT UNTHREADED SECTION DIAMETER
(CFFY) 0.330 INCHES MINIMUM FIRST END, THIRD PORTION
STRAIGHT UNTHREADED LENGTH
(CFFX) 0.1015 INCHES MINIMUM FIRST END, SIXTH PORTION
STRAIGHT UNTHREADED LENGTH
(CFFX) 0.105 INCHES MINIMUM FIRST END, FIRST PORTION
STRAIGHT UNTHREADED LENGTH
(CFFX) 0.1115 INCHES MAXIMUM FIRST END, SIXTH PORTION
STRAIGHT UNTHREADED LENGTH
(CFFX) 0.130 INCHES MAXIMUM FIRST END, FIRST PORTION
STRAIGHT UNTHREADED LENGTH
(CFFX) 0.205 INCHES MINIMUM FIRST END, THIRD PORTION
STRAIGHT UNTHREADED LENGTH
(CFFX) 0.2125 INCHES MINIMUM SECOND END, FIRST PORTION
STRAIGHT UNTHREADED LENGTH
(CFFX) 0.215 INCHES MAXIMUM FIRST END, THIRD PORTION
STRAIGHT UNTHREADED LENGTH
(CFFX) 0.240 INCHES MINIMUM FIRST END, FOURTH PORTION
STRAIGHT UNTHREADED LENGTH
(CFFX) 0.240 INCHES MINIMUM FIRST END, SECOND PORTION
STRAIGHT UNTHREADED LENGTH
(CFFX) 0.2425 INCHES MAXIMUM SECOND END, FIRST PORTION
STRAIGHT UNTHREADED LENGTH
(CFFX) 0.250 INCHES MAXIMUM FIRST END, FOURTH PORTION
STRAIGHT UNTHREADED LENGTH
(CFFX) 0.250 INCHES MAXIMUM FIRST END, SECOND PORTION
STRAIGHT UNTHREADED LENGTH
(CFFX) 0.510 INCHES MAXIMUM SECOND END, SECOND PORTION
STRAIGHT UNTHREADED LENGTH
(CFFX) 0.500 INCHES MINIMUM SECOND END, SECOND PORTION
SURFACE TREATMENT
(SFTT) PASSIVATE
TEETH HARDNESS RATING
(BYFR) 26.0 ROCKWELL C MINIMUM AND 31.0 ROCKWELL C MAXIMUM
UNABLE TO DECODE
(MATL) UNABLE TO DECODE
SURFACE TREATMENT
(SURF) PASSIVATED

Manufacturer Part Numbers


Related Inventory

10512780
1240004211679
Condition NS
WORM SHAFT
Readily Available


 
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