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National Stock Number:
5305-00-286-0263
Federal Supply Class:
5305
National Item Identification Number:
002860263
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:
| 3X56890 | 62983 | EATON AEROSPACE, LLC | | MILS933TYPEC | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
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Techincal Specification:
| DEPARTURE FROM CITED DESIGNATOR | AS MODIFIED BY HOLE DIAMETER,AND HOLE TYPE AND QUANTITY | | FASTENER LENGTH | 0.500 INCHES NOMINAL | | HARDNESS RATING | 36.0 ROCKWELL C MINIMUM AND 44.0 ROCKWELL C MAXIMUM OVERALL | | HEAD DIAMETER | 0.312 INCHES NOMINAL | | HEAD HEIGHT | 0.190 INCHES NOMINAL | | HEAD STYLE | FLAT CHAMFER | | HOLE CONFIGURATION STYLE | ROUND | | HOLE DIAMETER | 0.046 INCHES NOMINAL | | HOLE TYPE | DRILLED | | HOLE QUANTITY | 4 | | INTERNAL DRIVE STYLE | HEXAGON | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-624 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 3135 OVERALL | | NOMINAL THREAD DIAMETER | 0.190 INCHES | | NONDEFINITIVE SPEC/STD DATA | C TYPE | | SURFACE TREATMENT | CADMIUM OVERALL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.500 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 24 | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) | | WIDTH ACROSS FLATS | 0.156 INCHES NOMINAL |
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