5305-00-764-3020 SCREW,MACHINE Index 5305-00-764-3022 SCREW,MACHINE

National Stock Number:
5305-00-764-3021

Federal Supply Class:
5305

National Item Identification Number:
007643021

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:
3M46-4-1058998FASTENER INNOVATION TECHNOLOGY, INC.
3M46-4-1076301THE BOEING COMPANY
54266-4-1056878SPS TECHNOLOGIES, LLC
54266-4-1080539SPS TECHNOLOGIES, LLC
HT408A4-1006950HOWMET GLOBAL FASTENING SYSTEMS INC
HT408A4-108B565IMPERIAL AIR PARTS INC
HT408A4-1092215HOWMET GLOBAL FASTENING SYSTEMS INC
HT408A4-10C4293ALCOA FASTENING SYSTEMS FAIRCHILDFASTENERS EUROPE - VSD GMBH
HT4UA1073197HI-SHEAR CORPORATION
HT4UA10C4293ALCOA FASTENING SYSTEMS FAIRCHILDFASTENERS EUROPE - VSD GMBH
HT4UA10L4528LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC
HT4UA10R1120SATAIR A/S


Techincal Specification:
COUNTERSINK ANGLE100.0 DEGREES NOMINAL
FASTENER LENGTH1.094 INCHES NOMINAL
FEATURES PROVIDEDO RING
HEAD DIAMETER0.501 INCHES MINIMUM AND 0.506 INCHES MAXIMUM
HEAD HEIGHT0.071 INCHES MINIMUM AND 0.073 INCHES MAXIMUM
HEAD STYLEFLAT COUNTERSUNK UNDERCUT
INTERNAL DRIVE STYLEHIGH-TORQUE
MINIMUM TENSILE STRENGTH160000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.250 INCHES
SCREW MATERIALSTEEL COMP 4140 OR STEEL COMP 4340 OR STEEL COMP 8740
SCREW SURFACE TREATMENTCADMIUM
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.469 INCHES MINIMUM
THREAD QUANTITY PER INCH28
THREAD SERIES DESIGNATORUNF


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