5305-00-271-6394 SCREW,MACHINE Index 5940-00-271-6407 TERMINAL,LUG

National Stock Number:
5305-00-271-6398

Federal Supply Class:
5305

National Item Identification Number:
002716398

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:
177031PC43010001NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER
FFS92TYPE1STYLE10S81348FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC


Techincal Specification:
DEPARTURE FROM CITED DOCUMENTAS MODIFIED BY MATERIAL
FASTENER LENGTH0.750 INCHES NOMINAL
HEAD HEIGHT0.208 INCHES MINIMUM AND 0.230 INCHES MAXIMUM
HEAD STYLEHEXAGON
INTERNAL DRIVE STYLESLOT
NOMINAL THREAD DIAMETER0.312 INCHES
NONDEFINITIVE SPEC/STD DATAI TYPE AND 10S STYLE
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763,CONDITION A ASSN STD ALL MATERIAL RESPONSES
SCREW MATERIALSTEEL COMP 410 OR STEEL COMP 416
SCREW SURFACE TREATMENTPASSIVATE
THREAD QUANTITY PER INCH18
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
WIDTH BETWEEN FLATS0.491 INCHES MINIMUM AND 0.500 INCHES MAXIMUM
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS2A
THREAD LENGTH0.750 INCHES MAXIMUM


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