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NSN 3040-00-830-4991, 3040008304991
WORM SHAFT

Federal Supply Classification
FSC 3040 - Miscellaneous Power Transmission Equipment
National Item Identification Number
NIIN 008304991
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.
Availability: Readily Available Qualified Suppliers: Currently qualifying suppliers

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DLMS® Summary

National Stock Number 3040-00-830-4991

National Stock Number (NSN) 3040-00-830-4991, or NIIN 008304991, (worm shaft) was assigned January 1, 1962 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There is only one manufacturer part number associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, there are no suppliers that are 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 3040008304991 contains an unknown precious metal.

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

END SIMILARITY
(AAHN) NOT IDENTICAL
FSC APPLICATION DATA
(ZZZV) ACTUATOR,ELECTRO-MECHANICAL,AIRCRAFT
INVOLUTE SPLINE LENGTH
(CFGM) 0.500 INCHES NOMINAL SECOND END, SECOND PORTION
INVOLUTE SPLINE PITCH DIAMETER
(CFGL) 0.2500 INCHES NOMINAL SECOND END, SECOND PORTION
INVOLUTE SPLINE PRESSURE ANGLE IN DEG
(CFGK) 14.5 SECOND END, SECOND PORTION
INVOLUTE SPLINE QUANTITY
(CFGJ) 12 SECOND END, SECOND PORTION
OVERALL LENGTH
(ABHP) 2.243 INCHES NOMINAL
MATERIAL
(MATT) STEEL
SHAFT LOCATION
(CFFW) BOTH ENDS OF WORM
SHAFT HARDNESS RATING
(CFFM) 47.000 ROCKWELL C MINIMUM AND 53.000 ROCKWELL C MAXIMUM
SPECIAL FEATURES
(FEAT) MATERIAL SPEC MIL-S-5000,COND C OR D
WORM BODY LENGTH
(CFFP) 1.187 INCHES NOMINAL
WORM BODY TAPERED BEARING SURFACE END
(CFFQ) NOT PROVIDED
WORM HELIX ANGLE
(CFFG) 7 DEG 18 MIN 59 SEC
WORM OUTSIDE DIAMETER
(CFFK) 0.552 INCHES NOMINAL
WORM PITCH DIAMETER
(CFFL) 0.49018 INCHES NOMINAL
WORM PRESSURE ANGLE IN DEG
(CFFF) 20.000
WORM THREAD DIRECTION
(CFFD) RIGHT-HAND
WORM THREAD LEAD
(CFFC) 0.19796 INCHES NOMINAL
WORM THREAD QUANTITY
(CFFB) 2
WORM THREAD SECTION LENGTH
(CFFN) 0.625 INCHES NOMINAL
STRAIGHT UNTHREADED SECTION DIAMETER
(CFFY) 0.3147 INCHES NOMINAL FIRST END, FIRST PORTION
STRAIGHT UNTHREADED SECTION DIAMETER
(CFFY) 0.3147 INCHES NOMINAL SECOND END, FIRST PORTION
STRAIGHT UNTHREADED LENGTH
(CFFX) 0.256 INCHES NOMINAL FIRST END, FIRST PORTION
STRAIGHT UNTHREADED LENGTH
(CFFX) 0.381 INCHES NOMINAL SECOND END, FIRST PORTION
TEETH HARDNESS RATING
(BYFR) 47.000 ROCKWELL C MINIMUM AND 53.000 ROCKWELL C MAXIMUM
UNABLE TO DECODE
(MATL) UNABLE TO DECODE
III FSC APPLICATION DATA
(ZZZV) ACTUATOR,ELECTRO-MECHANICAL,AIRCRAFT
MATERIAL
(MATL) STEEL

Manufacturer Part Numbers


Related Inventory

411-0483-001
Condition NS
SPLICE
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