2840-00-909-1220 HEAD ASSEMBLY Index 2840-00-909-1222 GEAR ROTOR SET,ROTARY PUMP

National Stock Number:
3040-00-909-1221

Federal Supply Class:
3040

National Item Identification Number:
009091221

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.


Manufacturer Information:
35-79501-1023-286329PARKER-HANNIFIN CORPORATION
GB217786329PARKER-HANNIFIN CORPORATION


Techincal Specification:
CRITICALITY CODE JUSTIFICATIONFEAT
END SIMILARITYNOT IDENTICAL
FIRST END DIAMETER0.6870 INCHES NOMINAL
FIRST END SPLINE QUANTITY12
FIRST END STYLEPLAIN
FSC APPLICATION DATAPUMP,ROTARY
LARGEST STEP DIAMETER0.687 INCHES NOMINAL
OVERALL LENGTH7.770 INCHES NOMINAL
MATERIALSTEEL
SECOND END DIAMETER0.6475 INCHES NOMINAL
SECOND END SPLINE LENGTH0.750 INCHES NOMINAL
SECOND END SPLINE MAJOR DIAMETER0.6475 INCHES NOMINAL
SECOND END SPLINE MINOR DIAMETER0.5310 INCHES NOMINAL
SECOND END SPLINE QUANTITY30
SECOND END STYLESPLINED (INVOLUTE)
SECOND END PITCH DIAMETER0.5840 INCHES NOMINAL
SECOND END PRESSURE ANGLE30.0000 DEGREES NOMINAL
SPECIAL FEATURESFLIGHT SAFETY CRITICAL
STEP QUANTITY2
SURFACE FINISH125.0 MICROINCHES


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