5305-01-008-6723 SCREW,CAP,HEXAGON HEAD Index 5305-01-008-6726 SCREW,CLOSE TOLERANCE

National Stock Number:
5305-01-008-6725

Federal Supply Class:
5305

National Item Identification Number:
010086725

Description:
SCREW,CLOSE TOLERANCE

Detail:
A SCREW, MACHINE or SCREW, CAP, SOCKET HEAD whose unthreaded portion is of specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001 IN.) (0.025 mm) or less of a specific diameter for items (1.000 IN.) (25 mm) or less in diameter. Items over (1.000 IN.) (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015 IN.) (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001 IN.) (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the Screw Thread Standards, FED STD H28 and/or other nationally recognized standards. The head is designed to be held or driven with an inserted driver. It is not designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads.


Manufacturer Information:
11909V6L10-159563REID PRODUCTS INC.
HT4028L6-1006950HOWMET GLOBAL FASTENING SYSTEMS INC
HT4028L6-1017446HUCK INTERNATIONAL, INC
HT4028L6-1056878SPS TECHNOLOGIES, LLC
HT4028L6-1073197HI-SHEAR CORPORATION
HT4028L6-1080539SPS TECHNOLOGIES, LLC
HT4028L6-1092215HOWMET GLOBAL FASTENING SYSTEMS INC
HT4028L6-1097928HUCK INTL INC
HT4028L6-10L4528LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC
ST3M466V6L10-176301THE BOEING COMPANY


Techincal Specification:
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
FASTENER LENGTH1.251 INCHES MINIMUM AND 1.281 INCHES MAXIMUM
GRIP LENGTH0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM
GRIP DIAMETER0.3740 INCHES MINIMUM AND 0.3745 INCHES MAXIMUM
HEAD DIAMETER0.5544 INCHES MINIMUM AND 0.5604 INCHES MAXIMUM
HEAD STYLEOVAL COUNTERSUNK
INTERNAL DRIVE STYLEHIGH-TORQUE
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 4928 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 4967 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALTITANIUM ALLOY OVERALL
MINIMUM TENSILE STRENGTH160000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.375 INCHES
SURFACE FINISH32.0 MICROINCHES GRIP
SURFACE FINISH32.0 MICROINCHES THREADS
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.616 INCHES MINIMUM AND 0.666 INCHES MAXIMUM
THREAD QUANTITY PER INCH24
THREAD SERIES DESIGNATORUNJF


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