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National Stock Number:
3040-01-496-2996
Federal Supply Class:
3040
National Item Identification Number:
014962996
Description:
SHAFT,SHOULDERED
Detail:
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.
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Manufacturer Information:
| 148K0022 | 94833 | KECO INDUSTRIES INC. | | 148K0022-3 | 5RQL2 | DRS ENVIRONMENTAL SYSTEMS INC | | 148K0022-3 | 94833 | KECO INDUSTRIES INC. |
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Techincal Specification:
| END SIMILARITY | NOT IDENTICAL | | FIRST END DIAMETER | 0.5000 INCHES NOMINAL | | FIRST END GROOVED FLAT LENGTH | 0.6250 INCHES NOMINAL | | FIRST END DISTANCE FROM END TO FLAT | 0.317 INCHES NOMINAL | | FIRST END STYLE | FLAT GROOVED | | LARGEST STEP DIAMETER | 0.998 INCHES NOMINAL | | OVERALL LENGTH | 17.500 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763, CLASS 304 NATIONAL SPEC ALL MATERIAL RESPONSES | | MATERIAL | STEEL COMP 304 | | PART NAME ASSIGNED BY CONTROLLING AGENCY | SHAFT,FAN DRIVE | | SECOND END FLAT LENGTH | 0.875 INCHES NOMINAL | | SECOND END DIAMETER | 0.5000 INCHES NOMINAL | | SECOND END STYLE | FLATTED AND INTERNALLY THREADED | | SECOND END INTERNAL THREAD LENGTH | 0.750 INCHES MINIMUM | | SPECIAL FEATURES | EVAPORATOR FAN END IS END 1, CONDENSER FAN END IS END 2. SHAFT ALSO HAS (1) KEYWAY .252 X .148 DEEP X 2.62 LENGTH AND (8) FLATS .344 WIDE X .625 LENGTH. END 2 HAS A DRILLED AND TAPPED HOLE .250-28UNF THREADED. | | STEP QUANTITY | 3 |
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