5305-01-339-2272 SCREW,MACHINE Index 5305-01-339-2274 SCREW,MACHINE

National Stock Number:
5305-01-339-2273

Federal Supply Class:
5305

National Item Identification Number:
013392273

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:
BACS12GU3K4806725SPS TECHNOLOGIES, LLC
BACS12GU3K4806950HOWMET GLOBAL FASTENING SYSTEMS INC
BACS12GU3K4817446HUCK INTERNATIONAL, INC
BACS12GU3K481ER653-V FASTENER CO., INC.
BACS12GU3K481RC86HOWMET GLOBAL FASTENING SYSTEMS INC
BACS12GU3K4827624SPS TECHNOLOGIES LLC
BACS12GU3K4880539SPS TECHNOLOGIES, LLC
BACS12GU3K4881205THE BOEING COMPANY
BACS12GU3K4897928HUCK INTL INC


Techincal Specification:
BEARING SURFACE OF HEAD SURFACE FINISH63.0 MICROINCHES
FASTENER LENGTH2.984 INCHES MINIMUM AND 3.031 INCHES MAXIMUM
HEAD HEIGHT0.105 INCHES MINIMUM AND 0.120 INCHES MAXIMUM
HEAD STYLEHEXAGON
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
NOMINAL THREAD DIAMETER0.190 INCHES
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONAMS4928 ASSN STD SINGLE MATERIAL RESPONSE OR AMS4967 ASSN STD SINGLE MATERIAL RESPONSE
SCREW MATERIALTITANIUM ALLOY UNS R56400
SCREW SURFACE TREATMENTALUMINUM
WIDTH BETWEEN FLATS0.305 INCHES MINIMUM AND 0.314 INCHES MAXIMUM
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS3A
THREAD LENGTH2.922 INCHES MINIMUM AND 3.031 INCHES MAXIMUM
THREAD SERIES DESIGNATORUNJF
THREAD QUANTITY PER INCH32
THREAD SURFACE FINISH32.0 MICROINCHES


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