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National Stock Number:
5305-01-692-5690
Federal Supply Class:
5305
National Item Identification Number:
016925690
Description:
SCREW,CAP,SOCKET HEAD
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Manufacturer Information:
| M1222SN20C356NCNN | 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 | 1.250 INCHES | | THREAD QUANTITY PER INCH | 16 | | THREAD CLASS | 3B | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 2.500 INCHES NOMINAL | | FASTENER LENGTH | 3.500 INCHES NOMINAL | | MATERIAL | NICKEL ALLOY K-500 AND | | NICKEL ALLOY 502 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-286 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | HARDNESS RATING | 37.0 ROCKWELL C MINIMUM AND | | 45.0 ROCKWELL C MAXIMUM OVERALL | | MINIMUM TENSILE STRENGTH | 150000 POUNDS PER SQUARE INCH | | HEAD STYLE | FLAT CHAMFER | | HEAD DIAMETER | 1.687 INCHES NOMINAL | | HEAD HEIGHT | 0.720 INCHES MINIMUM AND | | 0.780 INCHES MAXIMUM | | INTERNAL DRIVE STYLE | HEXAGON | | WIDTH ACROSS FLATS | 1.631 INCHES MINIMUM AND | | 1.688 INCHES MAXIMUM | | SURFACE FINISH | 63.0 MICROINCHES BEARING SURFACE OF HEAD | | 63.0 MICROINCHES GRIP | | 32.0 MICROINCHES THREADS | | SPEC/STD CONTROLLING DATA | | | MANUFACTURERS CODE | 81349 | | NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | MIL-DTL-1222J | | DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | M1222SN20C356NCNN |
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