5306-01-348-3555 BOLT,SHEAR Index 5305-01-348-3557 SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-01-348-3556

Federal Supply Class:
5305

National Item Identification Number:
013483556

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:
2-56 X .3756F810IDEAL FASTENERS, INC.
885C615-11404939LOCKHEED MARTIN CORP
885C615-11499971LOCKHEED MARTIN CORP NAVAL ELECTRONICS & SURVEILLANCE SYSTEMS


Techincal Specification:
FASTENER LENGTH0.375 INCHES NOMINAL
HEAD DIAMETER0.154 INCHES MINIMUM AND 0.164 INCHES MAXIMUM
HEAD HEIGHT0.038 INCHES MINIMUM AND 0.046 INCHES MAXIMUM
HEAD STYLEPAN NO. 2
INTERNAL DRIVE STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 303 OVERALL
NOMINAL THREAD DIAMETER0.086 INCHES
WIDTH ACROSS FLATS0.0500 INCHES MINIMUM AND 0.0510 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONASTMA380 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.339 INCHES NOMINAL
THREAD SERIES DESIGNATORUNC
THREAD QUANTITY PER INCH56


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