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National Stock Number:
3040-01-083-1137
Federal Supply Class:
3040
National Item Identification Number:
010831137
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:
| 7994976 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM |
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Techincal Specification:
| END SIMILARITY | NOT IDENTICAL | | LARGEST STEP DIAMETER | 1.250 INCHES NOMINAL | | OVERALL LENGTH | 4.440 INCHES NOMINAL | | MATERIAL | STEEL COMP 8620 OR STEEL COMP 8720 | | SPECIAL FEATURES | BOTH ENDS CHAMFERED 0.03 IN BY 45DEGREES. SHORT END 2D STEP SURFACE FINISHED TO 250 MICROINCHES. BOTH SIDES OF LARGE COLLAR FINISHED TO 125 MICROINCHES. LONG END HAS 0.125 IN DIAM HOLE BORED AXIALLY 2.500 IN DEEP,CENTERED AND INTERSECTS W/TRANSVERSE HOLE 0.125IN DIAM BORED THRU. EXTERNAL THREAD SIZE BOTH ENDS 0.750-16 UNF-2A,INTERNALTHD SIZE LONG END 0.125-27 NPTF. CASE HARDEN SURFACE TO ROCKWELL C58-36 | | STEP QUANTITY | 6 | | TEST DATA DOCUMENT | 19207-7994976 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING) |
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