5305-01-591-8637 SCREW,CAP,SOCKET HEAD 5305-01-591-8906 SCREW,CAP,HEXAGON HEAD

National Stock Number:
5305-01-591-8898

Federal Supply Class:
5305

National Item Identification Number:
015918898

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:
MS24667-5980205NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE
MS24667-5996906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
THREAD SERIES DESIGNATORUNC
NOMINAL THREAD DIAMETER0.375 INCHES
THREAD QUANTITY PER INCH16
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH2.456 INCHES MINIMUM AND
2.516 INCHES MAXIMUM
FASTENER LENGTH2.690 INCHES MINIMUM AND
2.750 INCHES MAXIMUM
MATERIALSTEEL OVERALL
SURFACE TREATMENTCADMIUM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416, TYPE II, CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HEAD STYLEFLAT COUNTERSUNK
HEAD DIAMETER0.720 INCHES MINIMUM AND
0.781 INCHES MAXIMUM
COUNTERSINK ANGLE80.0 DEGREES MINIMUM AND
84.0 DEGREES MAXIMUM
INTERNAL DRIVE STYLEHEXAGON
WIDTH ACROSS FLATS0.219 INCHES NOMINAL
PART NAME ASSIGNED BY CONTROLLING AGENCYSCREW, CAP, SOCKET HEAD, FLAT COUNTERSUNK


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