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National Stock Number:
5305-01-395-2129
Federal Supply Class:
5305
National Item Identification Number:
013952129
Description:
SCREW,CAP,HEXAGON HEAD
Detail:
An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. The threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. The thread length being the controlled dimension, the grip length is not specified. A locking feature may be incorporated in the design of the head or threads. Excludes BOLT, MACHINE; BOLT, EXTERNALLY RELIEVED BODY; BOLT, INTERNAL WRENCHING; and SCREW, CAP, SOCKET HEAD.
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Manufacturer Information:
| FF-S-85 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC | | MS51107-197 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNC | | THREAD LENGTH | 5.000 INCHES MINIMUM AND | | 5.094 INCHES MAXIMUM | | FASTENER LENGTH | 5.000 INCHES MINIMUM AND | | 5.188 INCHES MAXIMUM | | MATERIAL | STEEL OVERALL | | HEAD STYLE | HEXAGON | | THREAD DIRECTION | RIGHT-HAND | | NOMINAL THREAD DIAMETER | 0.875 INCHES | | THREAD QUANTITY PER INCH | 9 | | THREAD CLASS | 2A | | SURFACE TREATMENT | PHOSPHATE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-P-16232,TY Z,CL 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | MINIMUM TENSILE STRENGTH | 150000 POUNDS PER SQUARE INCH | | HEAD HEIGHT | 0.531 INCHES MINIMUM AND | | 0.563 INCHES MAXIMUM | | WIDTH BETWEEN FLATS | 1.285 INCHES MINIMUM AND | | 1.312 INCHES MAXIMUM | | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 4.750 INCHES NOMINAL THREADS | | SHANK UNTHREADED HOLE DIAMETER | 0.138 INCHES MINIMUM AND | | 0.146 INCHES MAXIMUM THREADS | | NONDEFINITIVE SPEC/STD DATA | 2 TYPE AND | | 10 STYLE AND | | 8 GRADE | | SPEC/STD CONTROLLING DATA | | | MANUFACTURERS CODE | 81348 | | NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | FF-S-85 | | MANUFACTURERS CODE | 96906 | | DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | MS51107-197 |
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