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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:
| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 4.750 INCHES NOMINAL THREADS | | FASTENER LENGTH | 5.000 INCHES MINIMUM AND 5.188 INCHES MAXIMUM | | HEAD HEIGHT | 0.531 INCHES MINIMUM AND 0.563 INCHES MAXIMUM | | HEAD STYLE | HEXAGON | | MATERIAL | STEEL OVERALL | | MINIMUM TENSILE STRENGTH | 150000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.875 INCHES | | NONDEFINITIVE SPEC/STD DATA | 2 TYPE AND 10 STYLE AND 8 GRADE | | SHANK UNTHREADED HOLE DIAMETER | 0.138 INCHES MINIMUM AND 0.146 INCHES MAXIMUM THREADS | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-P-16232,TY Z,CL 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PHOSPHATE OVERALL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD QUANTITY PER INCH | 9 | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) | | THREAD LENGTH | 5.000 INCHES MINIMUM AND 5.094 INCHES MAXIMUM | | WIDTH BETWEEN FLATS | 1.285 INCHES MINIMUM AND 1.312 INCHES MAXIMUM |
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