1680-00-040-9437 SUPPORT ASSEMBLY,EX Index 1680-00-040-9444 ARM ASSY,WING,FRONT

National Stock Number:
5305-00-040-9438

Federal Supply Class:
5305

National Item Identification Number:
000409438

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:
106830-5D2050392SPS TECHNOLOGIES INC
106830-5D2056878SPS TECHNOLOGIES, LLC
11905-5D2059563REID PRODUCTS INC.
BM19019-5D2017446HUCK INTERNATIONAL, INC
BM19019-5D2097928HUCK INTL INC
HT295-5D2073197HI-SHEAR CORPORATION
HT4025L5D2006950HOWMET GLOBAL FASTENING SYSTEMS INC
HT4025L5D200PTK6SPS TECHNOLOGIES INC
HT4025L5D2017446HUCK INTERNATIONAL, INC
HT4025L5D2056878SPS TECHNOLOGIES, LLC
HT4025L5D2073197HI-SHEAR CORPORATION
HT4025L5D2080539SPS TECHNOLOGIES, LLC
HT4025L5D2092215HOWMET GLOBAL FASTENING SYSTEMS INC
HT4025L5D2097928HUCK INTL INC
HT4025L5D20C4293ALCOA FASTENING SYSTEMS FAIRCHILDFASTENERS EUROPE - VSD GMBH
HT4025L5D20K5673SPS TECHNOLOGIES LTD TJ BROOKS DIVISION
HT4025L5D20L4528LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC
HT8140-5D2006950HOWMET GLOBAL FASTENING SYSTEMS INC
HT8140-5D2092215HOWMET GLOBAL FASTENING SYSTEMS INC
ST3M454-5D2076301THE BOEING COMPANY
ST3M454-5DL2076301THE BOEING COMPANY


Techincal Specification:
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER1.634 INCHES MAXIMUM FIRST HOLE
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
FASTENER LENGTH1.701 INCHES MINIMUM AND 1.748 INCHES MAXIMUM
GRIP DIAMETER0.3115 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM
GRIP LENGTH1.240 INCHES MINIMUM AND 1.260 INCHES MAXIMUM
HEAD DIAMETER0.625 INCHES MINIMUM AND 0.635 INCHES MAXIMUM
HEAD STYLEFLAT COUNTERSUNK
INTERNAL DRIVE STYLEHIGH-TORQUE
MATERIALSTEEL CORROSION RESISTING OVERALL
MINIMUM TENSILE STRENGTH125000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.312 INCHES
SHANK UNTHREADED HOLE DIAMETER0.076 INCHES MINIMUM AND 0.081 INCHES MAXIMUM FIRST HOLE
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.441 INCHES MINIMUM AND 0.508 INCHES MAXIMUM
THREAD QUANTITY PER INCH24
THREAD SERIES DESIGNATORUNJF


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