5305-01-052-2407 THUMBSCREW Index 5305-01-052-2409 SCREW,CAP,SOCKET HEAD

National Stock Number:
5306-01-052-2408

Federal Supply Class:
5306

National Item Identification Number:
010522408

Description:
BOLT,INTERNALLY RELIEVED BODY

Detail:
An externally threaded fastener whose external threaded portion is of one nominal diameter. It has a concentric hole along the longitudinal centerline which may extend a part or the full length of the bolt. The concentric hole along the centerline may be counterbored and/or internally threaded at the head end or the bolt end. The head is designed to be held or driven by an external and/or internal driver. For items having a hole(s) perpendicular to the axis which meet the concentric hole along the longitudinal centerline, see BOLT, FLUID PASSAGE.


Manufacturer Information:
65-23413-1208903THE BOEING COMPANY
65-23413-121DPK8TRONSON MANUFACTURING, INC
65-23413-123Z260A. J. ASSOCIATES MANUFACTURING & ENGINEERING CO. INC.
65-23413-1281205THE BOEING COMPANY
65-23413-1282918THE BOEING COMPANY


Techincal Specification:
CONCENTRIC HOLE DEPTH0.950 INCHES NOMINAL
CONCENTRIC HOLE DIAMETER0.633 INCHES MINIMUM AND 0.636 INCHES MAXIMUM
FASTENER LENGTH3.380 INCHES NOMINAL
HEAD HEIGHT0.190 INCHES NOMINAL
HEAD STYLESQUARE
MATERIALSTEEL OVERALL
MINIMUM TENSILE STRENGTH210000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.875 INCHES
SHOULDER DIAMETER1.0601 INCHES MINIMUM AND 1.0615 INCHES MAXIMUM
SHOULDER LENGTH2.670 INCHES NOMINAL
STYLE DESIGNATORCONCENTRIC HOLE UNTHREADED
WIDTH BETWEEN FLATS1.400 INCHES NOMINAL
SURFACE TREATMENTCHROMIUM BEARING SURFACE OF HEAD
SURFACE TREATMENTCHROMIUM GRIP
SURFACE TREATMENTCHROMIUM HEAD
SURFACE TREATMENTNICKEL THREADS
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS3A
THREAD LENGTH0.610 INCHES NOMINAL
THREAD SERIES DESIGNATORUNF
THREAD QUANTITY PER INCH14


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