5305-00-878-6304 SCREW,MACHINE Index 5305-00-878-6307 SCREW,MACHINE

National Stock Number:
5305-00-878-6306

Federal Supply Class:
5305

National Item Identification Number:
008786306

Description:
SCREW,MACHINE

Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter, No 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below No. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes BOLT, CLEVIS; BOLT, EXTERNALLY RELIEVED BODY; SCREW, EXTERNALLY RELIEVED BODY; and SCREW, ASSEMBLED WASHER. See also, SCREW, INSTRUMENT; BOLT, MACHINE; BOLT, INTERNAL WRENCHING; and SCREW, CAP SOCKET HEAD.


Manufacturer Information:
A33C1256387BRITISH AEROSPACE INC MILITARY SUPPORT DIV
A33C12K7766BRITISH STANDARDS INSTITUTION
A33C12U1604MARTIN-BAKER AIRCRAFT COMPANY LIMITED


Techincal Specification:
COUNTERSINK ANGLE89.0 DEGREES MINIMUM AND 92.0 DEGREES MAXIMUM
FASTENER LENGTH0.375 INCHES MINIMUM AND 0.395 INCHES MAXIMUM
HEAD DIAMETER0.309 INCHES MINIMUM AND 0.319 INCHES MAXIMUM
HEAD STYLEFLAT COUNTERSUNK
INTERNAL DRIVE STYLESLOT
MINIMUM TENSILE STRENGTH50000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER4.7 MILLIMETERS
SCREW MATERIALSTEEL
SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONDTD 904 FED STD SINGLE TREATMENT RESPONSE
SCREW SURFACE TREATMENTCADMIUM
THREAD LENGTH0.298 INCHES MAXIMUM
THREAD DIRECTIONRIGHT-HAND
THREAD PITCH IN MILLIMETERS0.81
THREAD SERIES DESIGNATORBA


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