5365-01-485-1814 PLUG,MACHINE THREAD Index 4240-01-485-1816 FACESHIELD,INDUSTRIAL

National Stock Number:
3040-01-485-1815

Federal Supply Class:
3040

National Item Identification Number:
014851815

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:
721-7286700-1753711NAVAL SEA SYSTEMS COMMAND
728670053711NAVAL SEA SYSTEMS COMMAND
H861-150396169ELECTRIC BOAT CORPORATION
H861-1503-1796169ELECTRIC BOAT CORPORATION
H8611503-001796169ELECTRIC BOAT CORPORATION


Techincal Specification:
END SIMILARITYNOT IDENTICAL
FIRST END DIAMETER4.9950 INCHES MINIMUM AND 4.9980 INCHES MAXIMUM
FIRST END SPLINE LENGTH4.5000 INCHES NOMINAL
FIRST END SPLINE MAJOR DIAMETER5.4900 INCHES MINIMUM AND 5.5000 INCHES MAXIMUM
FIRST END SPLINE MINOR DIAMETER5.0020 INCHES MINIMUM AND 5.0050 INCHES MAXIMUM
FIRST END SPLINE QUANTITY20
FIRST END STYLESPLINED (STRAIGHT)
LARGEST STEP DIAMETER5.490 INCHES MINIMUM AND 5.500 INCHES MAXIMUM
OVERALL LENGTH29.125 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-T-9047 ALY TI-6AL-4V, COND A MIL SPEC SINGLE MATERIAL RESPONSE
MATERIALTITANIUM ALLOY
PART NAME ASSIGNED BY CONTROLLING AGENCYSHAFT,TORQUE
SECOND END DIAMETER4.9950 INCHES MINIMUM AND 4.9980 INCHES MAXIMUM
SECOND END INTERNAL THREAD LENGTH0.870 INCHES NOMINAL
SECOND END STYLEINTERNAL THREADED
SPECIAL FEATURESNHA VLS MISSILE TUBE MUZZLE HATCH
STEP QUANTITY4
SUPPLEMENTARY FEATURESFIRST END HAS CENTER JACKING HOLE COUNTERBORED AND THREADED .500-13UNC-2B: SECOND END ALSO HAS CENTER HOLE AND THREE (3) HOLES SPACED 120 DEGREES ON 3.750 DIA. CENTERS; HOLES ARE COUNTERSUNK 1.33 0.67 X 90 AND THREADED .625-11UNC-2B TO .87 MIN FULL THREAD: SHAFT HAS 2 SPLINES; 1ST END SPLINE LENGTH 4.500 IN., THEN 11.250 STRAIGHT SHAFT, THEN SECOND SPLINE (SAME SPLINE DATA) 5.00 IN. LONG, LEAVING 8.375 IN. STRAIGHT SHAFT LENGTH 2ND END
SURFACE FINISH63.0 MICROINCHES


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