5962-01-441-4077 MICROCIRCUIT,DIGITAL Index 3030-01-441-4079 BELT,ROUND

National Stock Number:
5305-01-441-4078

Federal Supply Class:
5305

National Item Identification Number:
014414078

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:
907296-0390536LOCKHEED MARTIN CORP


Techincal Specification:
FASTENER LENGTH0.500 INCHES NOMINAL
HEAD DIAMETER0.407 INCHES MINIMUM AND 0.425 INCHES MAXIMUM
HEAD HEIGHT0.139 INCHES MINIMUM AND 0.151 INCHES MAXIMUM
HEAD STYLEMODIFIED PAN
INTERNAL DRIVE STYLECROSS RECESS TYPE II
NOMINAL THREAD DIAMETER0.625 INCHES
SCREW MATERIALSTEEL CORROSION RESISTING
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.500 INCHES NOMINAL
THREAD QUANTITY PER INCH24
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)


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