5306-01-059-1901 BOLT,MACHINE Index 5305-01-059-1903 SCREW,MACHINE

National Stock Number:
5305-01-059-1902

Federal Supply Class:
5305

National Item Identification Number:
010591902

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:
7541006P000199971LOCKHEED MARTIN CORP NAVAL ELECTRONICS & SURVEILLANCE SYSTEMS
7541006P199971LOCKHEED MARTIN CORP NAVAL ELECTRONICS & SURVEILLANCE SYSTEMS


Techincal Specification:
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.237 INCHES MINIMUM AND 0.277 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY1
FASTENER LENGTH0.377 INCHES MINIMUM AND 0.397 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD0.071 INCHES MINIMUM AND 0.081 INCHES MAXIMUM
HEAD DIAMETER0.223 INCHES MINIMUM AND 0.235 INCHES MAXIMUM
HEAD HEIGHT0.056 INCHES MINIMUM AND 0.068 INCHES MAXIMUM
HEAD STYLEBINDING
INTERNAL DRIVE STYLESLOT
MATERIALSTEEL OVERALL
NOMINAL THREAD DIAMETER0.112 INCHES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
THREAD LENGTH0.120 INCHES MINIMUM AND 0.140 INCHES MAXIMUM
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH40
THREAD SERIES DESIGNATORUNC


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