5305-99-000-3071 SCREW,MACHINE Index 5305-99-000-3073 SCREW,MACHINE

National Stock Number:
5305-99-000-3072

Federal Supply Class:
5305

National Item Identification Number:
990003072

Description:
SCREW,EXTERNALLY RELIEVED BODY

Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter, and whose unthreaded portion has been machined or ground in one or more places or over its entire length to a maximum diameter less than the minimum pitch diameter of the thread (excludes undercut for thread relief). It is No. 0 (0.060 IN.) (1.5 mm) or larger, and is designed to be held or driven with either a wrench or inserted driver (excluding internal socket and multiple spline types) or both in sizes below No. 10 (0.190 IN.) (5 mm) and larger sizes must have a head designed for any type inserted driver (excluding internal socket and 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. See also BOLT, EXTERNALLY RELIEVED BODY and BOLT, INTERNAL WRENCHING.


Manufacturer Information:
705639K0162THALES UK LIMITED SECURE COMMUNICATIONS AND INFORMATION SYSTEMS
705639K8997RACAL RADIO LTD
AD 705639K0162THALES UK LIMITED SECURE COMMUNICATIONS AND INFORMATION SYSTEMS
AD 705639K8997RACAL RADIO LTD


Techincal Specification:
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER8.05 MILLIMETERS NOMINAL
FASTENER LENGTH12.60 MILLIMETERS MINIMUM AND 13.00 MILLIMETERS MAXIMUM
FIRST DIAMETER FROM HEAD2.70 MILLIMETERS MINIMUM AND 2.90 MILLIMETERS MAXIMUM
HEAD DIAMETER7.00 MILLIMETERS NOMINAL
HEAD HEIGHT2.40 MILLIMETERS MINIMUM AND 2.60 MILLIMETERS MAXIMUM
HEAD STYLEPAN NO. 2
INTERNAL DRIVE STYLESLOT
MATERIAL DOCUMENT AND CLASSIFICATIONBS970 PART 4;1970 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE
MATERIALSTEEL
III PART NAME ASSIGNED BY CONTROLLING AGENCYSCREW CAPTIVE
NOMINAL THREAD DIAMETER4.00 MILLIMETERS
THREAD CLASS6G
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH4.50 MILLIMETERS MINIMUM AND 5.00 MILLIMETERS MAXIMUM
THREAD SERIES DESIGNATORISO M
THREAD PITCH IN MILLIMETERS0.70


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