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NSN 3040-01-504-8342, 3040015048342
WORM SHAFT

Federal Supply Classification
FSC 3040 - Miscellaneous Power Transmission Equipment
National Item Identification Number
NIIN 015048342
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 3040-01-504-8342

National Stock Number (NSN) 3040-01-504-8342, or NIIN 015048342, (worm shaft) was assigned February 11, 2003 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are 3 manufacturer part numbers 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, with the most recent procurement date of Mar 05, 2010. There has been one contract issued for this part number, with one award given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPM7MB10M0485. The total value of the awarded contracts has been US$ 4,300.80.

This NSN is somewhat common among different platforms, belonging to 4 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 for the first time. (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 3040015048342 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
(CFFS) ERR DEFAULT
III END ITEM IDENTIFICATION
(AGAV) BRIDGE,TRACK ASSEMBLY FOR CARGO BAY 3RD PLATFORM FOR SEAWOLF CLASS SUBMARINE SSN 23
ERR DEFAULT
(CFFR) ERR DEFAULT
MATERIAL
(MATL) STEEL, CORROSION RESISTING
UNABLE TO DECODE
(MATL) UNABLE TO DECODE
END ITEM IDENTIFICATION
(AGAV) BRIDGE,TRACK ASSEMBLY FOR CARGO BAY 3RD PLATFORM FOR SEAWOLF CLASS SUBMARINE SSN 23
OVERALL LENGTH
(ABHP) 12.120 INCHES NOMINAL
MATERIAL
(MATT) STEEL CORROSION RESISTING
SCREW THREAD SERIES DESIGNATOR
(AJYP) UNS FIRST END, SECOND PORTION
SECTION SHAPE
(CCKD) SQUARE FIRST END, FIRST PORTION
SHAFT LOCATION
(CFFW) ONE END OF WORM
SHAFT HARDNESS RATING
(CFFM) 38.0 ROCKWELL C MAXIMUM
SHAFT THREAD DIRECTION
(AKAF) RIGHT-HAND FIRST END, SECOND PORTION
SPECIAL FEATURES
(FEAT) MATERIAL SPECIFICATION ASTM-A564,TYPE-630,CONDITION-H1150,HOT FINISHED AND ASTM-A484. SURFACE FINISH 63.0 ON ACME THREADS. WORM IS 0.750-8 ACME-2G
THREAD LENGTH
(AASA) 1.000 INCHES NOMINAL FIRST END, SECOND PORTION
WORM BODY LENGTH
(CFFP) 12.120 INCHES NOMINAL
WORM BODY TAPERED BEARING SURFACE END
(CFFQ) PROVIDED
WORM HELIX ANGLE
(CFFG) 3.312 DEGREES
WORM OUTSIDE DIAMETER
(CFFK) 0.750 INCHES NOMINAL
WORM PITCH DIAMETER
(CFFL) 0.665 INCHES MINIMUM AND 0.681 INCHES MAXIMUM
WORM THREAD DIRECTION
(CFFD) RIGHT-HAND
WORM PRESSURE ANGLE IN DEG
(CFFF) 14.500
WORM THREAD LEAD
(CFFC) 0.125 INCHES NOMINAL
WORM THREAD QUANTITY
(CFFB) 58
WORM THREAD SECTION LENGTH
(CFFN) 7.240 INCHES NOMINAL
STRAIGHT UNTHREADED LENGTH
(CFFX) 0.120 INCHES NOMINAL FIRST END, THIRD PORTION
STRAIGHT UNTHREADED LENGTH
(CFFX) 0.630 INCHES NOMINAL FIRST END, FIFTH PORTION
STRAIGHT UNTHREADED LENGTH
(CFFX) 0.750 INCHES NOMINAL FIRST END, SIXTH PORTION
STRAIGHT UNTHREADED LENGTH
(CFFX) 0.880 INCHES NOMINAL FIRST END, FOURTH PORTION
STRAIGHT UNTHREADED LENGTH
(CFFX) 1.000 INCHES NOMINAL FIRST END, SECOND PORTION
STRAIGHT UNTHREADED LENGTH
(CFFX) 1.500 INCHES NOMINAL FIRST END, FIRST PORTION
STRAIGHT UNTHREADED SECTION DIAMETER
(CFFY) 0.540 INCHES NOMINAL FIRST END, SIXTH PORTION
STRAIGHT UNTHREADED SECTION DIAMETER
(CFFY) 0.988 INCHES MINIMUM AND 0.998 INCHES MAXIMUM FIRST END, FIRST PORTION
STRAIGHT UNTHREADED SECTION DIAMETER
(CFFY) 1.060 INCHES NOMINAL FIRST END, THIRD PORTION
STRAIGHT UNTHREADED SECTION DIAMETER
(CFFY) 1.173 INCHES NOMINAL FIRST END, SECOND PORTION
STRAIGHT UNTHREADED SECTION DIAMETER
(CFFY) 1.2503 INCHES MINIMUM AND 1.2513 INCHES MAXIMUM FIRST END, FOURTH PORTION
STRAIGHT UNTHREADED SECTION DIAMETER
(CFFY) 1.500 INCHES NOMINAL FIRST END, FIFTH PORTION
TAPERED BEARING SURFACE LARGEST DIAMETER
(CFFR) 0.750 INCHES NOMINAL
TAPERED BEARING SURFACE LENGTH
(CFFT) 0.050 INCHES NOMINAL
TAPERED BEARING SURFACE SMALLEST DIAMETER
(CFFS) 0.650 INCHES NOMINAL
TEETH HARDNESS RATING
(BYFR) 38.0 ROCKWELL C MAXIMUM

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