5305-01-255-6541 SCREW,CAP,SOCKET HEAD Index 5305-01-255-6543 SCREW,CAP,HEXAGON HEAD

National Stock Number:
5305-01-255-6542

Federal Supply Class:
5305

National Item Identification Number:
012556542

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.


Manufacturer Information:
2410092-1296214RAYTHEON COMPANY


Techincal Specification:
THREAD SERIES DESIGNATORISO S
NOMINAL THREAD DIAMETER4.0 MILLIMETERS
THREAD PITCH IN MILLIMETERS0.7
EXTERNAL THREAD TOLERANCE CLASS4H6H
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH20.0 MILLIMETERS MINIMUM AND
21.4 MILLIMETERS MAXIMUM
FASTENER LENGTH30.0 MILLIMETERS NOMINAL
MATERIALSTEEL CORROSION RESISTING OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A 484 ASSN STD SINGLE MATERIAL RESPONSE AND
ASTM A 582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HEAD STYLEFLAT CHAMFER
HEAD DIAMETER6.80 MILLIMETERS MINIMUM AND
7.00 MILLIMETERS MAXIMUM
HEAD HEIGHT3.88 MILLIMETERS MINIMUM AND
4.00 MILLIMETERS MAXIMUM
INTERNAL DRIVE STYLEHEXAGON
WIDTH ACROSS FLATS2.50 MILLIMETERS NOMINAL


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