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NSN 3040-01-276-8279, 3040012768279
SHAFT,SHOULDERED

Federal Supply Classification
FSC 3040 - Miscellaneous Power Transmission Equipment
National Item Identification Number
NIIN 012768279
Codification Country
United States
Item Name Code
INC 22914
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 3040-01-276-8279

National Stock Number (NSN) 3040-01-276-8279, or NIIN 012768279, (shaft,shouldered) was assigned April 13, 1988 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 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.

This NSN is assigned to Item Name Code (INC) 22914. [A SHAFT HAVING TWO OR MORE DIFFERENT DIAMETERS (GREATER THAN 0.031 INCHES (0.79 MILLIMETER)) ALONG ITS LENGTH. IT MUST HAVE ONE OR MORE OF THE FOLLOWING CONDITIONS: A SPECIFIED SURFACE FINISH DESIGNATION IN THE RANGE 1 TO 125 MICROINCHES (0.025 TO 3.2 MICROMETERS) ARITHMETICAL AVERAGE (AA), MACHINED PERIPHERAL FLAT(S), CIRCULAR GROOVE(S), KEYWAY(S), SPLINES, THREADS, OR HOLES. THE ENDS AND/OR SHOULDERS MAY BE MACHINED TO ACCOMMODATE BEARINGS, COUPLINGS, AND THE LIKE. IT IS NOT DESIGNED FOR USE IN ALIGNING BY FITTING INTO CORRESPONDING HOLES OF ANOTHER ITEM. FOR ITEMS USED TO SUPPORT ROTATING MEMBERS SEE AXLE(1), SHOULDERED. FOR ITEMS NOT HAVING ANY OF THE ABOVE CONDITIONS SEE PIN, SHOULDER, HEADLESS. EXCLUDES:SHAFT(1), STRAIGHT; AND AXLE(1), STRAIGHT.]. 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 3040012768279 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

SPECIAL FEATURES
(FEAT) YFIRST END HAS A 0.5133 IN. MIN.-0.5223 IN. MAX. HOLE 1.030 IN. MIN.-0.109 IN. MAX. DEEP TAPPED 0.800 IN. MIN.DEEP FOR A 0.500 IN. NOM.-20UNF-2B HELICAL COIL INSERT; SECOND SHAFT END IS THREADED AT 1.000-12UNF-2A; A 0.141 IN. MIN.-0.151 IN. MAX. DIA. HOLE RUNS THROUGH THE SECOND SHAFT END 0.531 IN. MIN.-0.630 IN. MAX. FROM THE SHAFT END; SPLINE INNER AND OUTER RACE IS STEELALLOY; ASTM-A322; HOT ROLLED OR ASTM-A331; COLD FINISHED 4150. BALL BEARING SPLINE IS TO BE A COUPLING WHICH PERMITS TRANSLATION WHILE SUBJECT TO REACTIVE TORQUE LOADS; THE DEVICE SHALL CONS1ST OF MATING INNER AND OUTER RACES CONTAINING CONCAVE AXIAL RACES AND A COMPLEMENT OF BEARING BALLS; THE BALLS PROVIDE THE ONLY PHYSICAL CONTACT BETWEEN THE INNER AND OUTER RACES
END SIMILARITY
(AAHN) NOT IDENTICAL
FIRST END EXTERNAL THREAD LENGTH
(AMEA) 1.922 INCHES MINIMUM
FIRST END DIAMETER
(AMDL) 0.9800 INCHES MINIMUM AND 0.9900 INCHES MAXIMUM
FIRST END STYLE
(AAGZ) INTERNAL THREADED
FIRST END INTERNAL THREAD LENGTH
(AMER) 0.495 INCHES MINIMUM AND 0.505 INCHES MAXIMUM
LARGEST STEP DIAMETER
(CSPY) 3.4260 INCHES MINIMUM AND 3.4270 INCHES MAXIMUM
OVERALL LENGTH
(ABHP) 28.100 INCHES MINIMUM AND 28.141 INCHES MAXIMUM
SECOND END DIAMETER
(AMFZ) 0.9880 INCHES MINIMUM AND 0.9980 INCHES MAXIMUM
SECOND END STYLE
(AAHP) EXTERNAL THREADED
SPECIAL FEATURES
(FEAT) FIRST END HAS A 0.5133 IN. MIN.-0.5223 IN. MAX. HOLE 1.030 IN. MIN.-0.109 IN. MAX. DEEP TAPPED 0.800 IN. MIN.DEEP FOR A 0.500 IN. NOM.-20UNF-2B HELICAL COIL INSERT; SECOND SHAFT END IS THREADED AT 1.000-12UNF-2A; A 0.141 IN. MIN.-0.151 IN. MAX. DIA. HOLE RUNS THROUGH THE SECOND SHAFT END 0.531 IN. MIN.-0.630 IN. MAX. FROM THE SHAFT END; SPLINE INNER AND OUTER RACE IS STEELALLOY; ASTM-A322; HOT ROLLED OR ASTM-A331; COLD FINISHED 4150. BALL BEARING SPLINE IS TO BE A COUPLING WHICH PERMITS TRANSLATION WHILE SUBJECT TO REACTIVE TORQUE LOADS; THE DEVICE SHALL CONS1ST OF MATING INNER AND OUTER RACES CONTAINING CONCAVE AXIAL RACES AND A COMPLEMENT OF BEARING BALLS; THE BALLS PROVIDE THE ONLY PHYSICAL CONTACT BETWEEN THE INNER AND OUTER RACES
STEP QUANTITY
(ATPC) 5

Manufacturer Part Numbers

176C2112

RNCC
3
RNVC
2
3040012768279

012768279

012768279


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