5305-01-345-4008 SCREW,MACHINE Index 5998-01-345-4010 PRINTED WIRING BOARD

National Stock Number:
5305-01-345-4009

Federal Supply Class:
5305

National Item Identification Number:
013454009

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:
7177837-0190536LOCKHEED MARTIN CORP


Techincal Specification:
FASTENER LENGTH0.750 INCHES NOMINAL
HEAD DIAMETER0.375 INCHES NOMINAL
HEAD HEIGHT0.120 INCHES NOMINAL
HEAD STYLEPAN
INTERNAL DRIVE STYLESLOT
NOMINAL THREAD DIAMETER0.138 INCHES
SCREW MATERIALSTEEL CORROSION RESISTING
SCREW SURFACE TREATMENTPASSIVATE
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.688 INCHES NOMINAL
THREAD SERIES DESIGNATORUNC
THREAD QUANTITY PER INCH32


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