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		                        | National Stock Number:
 5315-00-565-7340
 
 Federal Supply Class:
 5315
 
 National Item Identification Number:
 005657340
 
 Description:
 KEY,MACHINE
 
 Detail:
 A metallic item, usually square or rectangular in cross section, usually longer in relation to its width and thickness, with or without a head, usually designed to fit into the pre-cut slots of two adjacent cylindrically shaped members, to prevent relative rotational movement between the two. It may have mounting holes or slots.
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 Manufacturer Information:
 
 | 8769037 | 19206 | ARMY, UNITED STATES DEPARTMENT OF THE BUSINESS DEVELOPMENT DBA WATERVLIET ARSENAL | 
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 Techincal Specification:
 
 | COUNTERBORE DEPTH | 0.281 INCHES NOMINAL |  | COUNTERBORE DIAMETER | 0.546 INCHES NOMINAL |  | CRITICALITY CODE JUSTIFICATION | ABMK |  | DISTANCE FROM MOUNTING HOLE CENTER TO END | 0.437 INCHES NOMINAL |  | HARDNESS RATING | 35.0 ROCKWELL C MINIMUM  AND 41.0 ROCKWELL C MAXIMUM OVERALL |  | KEY CHAMFER ANGLE | 45.0 DEGREES NOMINAL |  | KEY CHAMFER LENGTH | 0.062 INCHES NOMINAL |  | MATERIAL | STEEL OVERALL |  | MOUNTING HOLE DEPTH | 0.469 INCHES NOMINAL |  | MOUNTING HOLE DIAMETER | 0.281 INCHES NOMINAL |  | MOUNTING HOLE TYPE AND QUANTITY | 1 UNTHREADED-COUNTERBORED |  | OVERALL HEIGHT | 0.469 INCHES NOMINAL |  | OVERALL LENGTH | 0.875 INCHES NOMINAL |  | OVERALL WIDTH | 0.746 INCHES MINIMUM AND 0.748 INCHES MAXIMUM |  | STARTING EDGE SHAPE | CHAMFERED |  | STYLE DESIGNATOR | FLAT |  | SURFACE TREATMENT | PHOSPHATE OVERALL | 
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