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National Stock Number:
5305-01-611-4277
Federal Supply Class:
5305
National Item Identification Number:
016114277
Description:
SCREW,CAP,SOCKET HEAD
Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See BOLT, INTERNAL WRENCHING. Excludes SCREW, SHOULDER; and SCREW, MACHINE.
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Manufacturer Information:
| AES18U250A25DG5A91 | 05047 | THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNC | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | THREAD QUANTITY PER INCH | 20 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.750 INCHES NOMINAL | | FASTENER LENGTH | 1.250 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | QUENCHED AND TEMPERED ALLOY STL IAW ASTM F835 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | ZINC OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | TY II,SC 2 IAW ASTM B633 ASSN STD SINGLE TREATMENT RESPONSE OVERALL | | HEAD STYLE | BUTTON | | HEAD DIAMETER | 0.419 INCHES MINIMUM AND | | 0.437 INCHES MAXIMUM | | HEAD HEIGHT | 0.122 INCHES MINIMUM AND | | 0.132 INCHES MAXIMUM | | INTERNAL DRIVE STYLE | HEXAGON | | WIDTH ACROSS FLATS | 0.1562 INCHES NOMINAL | | SPECIFICATION/STANDARD DATA | 05047-ASME B18.24-2004 NATIONAL STD/SPEC | | NONDEFINITIVE SPEC/STD DATA | DG5 ALLOY AND | | U CLASS AND | | A25 LENGTH AND | | A9 FINISH AND | | 250 DESIGNATOR | | PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW,CAP,HEX SOCKET,BUTTON HEAD |
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