NSN 3040-01-499-1420

Part Details | SHOULDERED SHAFT

3040-01-499-1420 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: H552040424, H552-0404-24, 563698494224, 563-6984942-24, 5636984942, 563-6984942, 3040-01-499-1420, 01-499-1420, 3040014991420, 014991420

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
30JUL 15, 200201-499-142022914 ( SHAFT, SHOULDERED )
REFERENCE DRAWINGS & PICTURES

PLAIN

PLAIN

Cross Reference | NSN 3040-01-499-1420
Part Number Cage Code Manufacturer
H552-0404-2496169ELECTRIC BOAT CORPORATION
563-6984942-2453711NAVAL SEA SYSTEMS COMMAND
563-698494253711NAVAL SEA SYSTEMS COMMAND
Technical Data | NSN 3040-01-499-1420
Characteristic Specifications
FIRST END STYLE2 PLAIN
MATERIAL NICKEL ALLOY 502
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-286 NATIONAL SPEC ALL MATERIAL RESPONSES
FIRST END DIAMETER1.7500 INCHES NOMINAL
FIRST END EXTERNAL THREAD LENGTH2.7500 INCHES NOMINAL
END SIMILARITY IDENTICAL
LARGEST STEP DIAMETER2.497 INCHES NOMINAL
OVERALL LENGTH25.500 INCHES NOMINAL
STEP QUANTITY3
SPECIAL FEATURESTHREADS: 1 3/4 -5UNC-3A WITH 10 SPLINES BOTH ENDS.
END ITEM IDENTIFICATIONMAIN BALLAST VENT VALVE; W/S:LA CLASS SSN 688 SUBMARINE.