NSN 3040-00-790-2689

Part Details | SHOULDERED SHAFT

3040-00-790-2689 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.

Alternate Parts: 3704, 3704, 3040-00-790-2689, 00-790-2689, 3040007902689, 007902689

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
30JAN 01, 196000-790-268922914 ( SHAFT, SHOULDERED )
REFERENCE DRAWINGS & PICTURES

TAPERED WITH FLAT

FLAT KEYWAY

TAPERED WITH FLAT

FLAT KEYWAY

Cross Reference | NSN 3040-00-790-2689
Part Number Cage Code Manufacturer
37040APJ5COFFIN TURBO PUMP INCDBA CARTER PUMP DIVISION
370422888FMC CORP
Technical Data | NSN 3040-00-790-2689
Characteristic Specifications
FIRST END STYLE5 TAPERED WITH FLAT
MATERIAL STEEL
FIRST END DIAMETER1.1860 INCHES NOMINAL
FIRST END HOLE DIAMETER0.2500 INCHES NOMINAL
FIRST END DISTANCE FROM HOLE CENTER TO END3.125 INCHES NOMINAL
FIRST END EXTERNAL THREAD LENGTH1.500 INCHES NOMINAL
FIRST END HOLE DEPTH1.186 INCHES NOMINAL
END SIMILARITY NOT IDENTICAL
SECOND END STYLE8 FLAT KEYWAY
SECOND END KEYWAY WIDTH0.2500 INCHES NOMINAL
SECOND END EXTERNAL KEYWAY LENGTH1.375 INCHES NOMINAL
SECOND END KEYWAY DEPTH0.138 INCHES NOMINAL
SECOND END DISTANCE FROM KEYWAY CENTER TO END2.750 INCHES NOMINAL
SECOND END DIAMETER1.3040 INCHES NOMINAL
SECOND END EXTERNAL THREAD LENGTH1.188 INCHES NOMINAL
LARGEST STEP DIAMETER1.497 INCHES NOMINAL
OVERALL LENGTH19.250 INCHES NOMINAL
STEP QUANTITY6