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		                        | National Stock Number:
 5305-01-694-8110
 
 Federal Supply Class:
 5305
 
 National Item Identification Number:
 016948110
 
 Description:
 SCREW,CAP,SOCKET HEAD
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 Manufacturer Information:
 
 | M1222SC5C312NCLN | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |  | MIL-DTL-1222J | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | 
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 Techincal Specification:
 
 | THREAD SERIES DESIGNATOR | UNC |  | NOMINAL THREAD DIAMETER | 0.312 INCHES |  | THREAD QUANTITY PER INCH | 11 |  | THREAD CLASS | 3B |  | THREAD DIRECTION | RIGHT-HAND |  | THREAD LENGTH | 0.500 INCHES NOMINAL |  | FASTENER LENGTH | 0.750 INCHES NOMINAL |  | MATERIAL | NICKEL ALLOY 500 OVERALL |  | HARDNESS RATING | 37.0 ROCKWELL C MINIMUM AND |  |  | 45.0 ROCKWELL C MAXIMUM OVERALL |  | MINIMUM TENSILE STRENGTH | 70000 POUNDS PER SQUARE INCH |  | HEAD STYLE | FLAT CHAMFER |  | INTERNAL DRIVE STYLE | HEXAGON |  | SURFACE FINISH | 63.0 MICROINCHES BEARING SURFACE OF HEAD |  |  | 63.0 MICROINCHES GRIP |  |  | 63.0 MICROINCHES THREADS |  | PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW,CAP,HEXHEAD |  | SPEC/STD CONTROLLING DATA |  |  | NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | MIL-DTL-1222J |  | MANUFACTURERS CODE | 81349 |  | DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | M1222SC5C312NCLN | 
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