4130-00-447-3785 DISK,VALVE Index 5330-00-447-3789 GASKET

National Stock Number:
5305-00-447-3787

Federal Supply Class:
5305

National Item Identification Number:
004473787

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:
10125299A486GNIMIKKEISTOKESKUS NCB FINLAND
11907-5L1159563REID PRODUCTS INC.
HT4024L5-1106950HOWMET GLOBAL FASTENING SYSTEMS INC
HT4024L5-1117446HUCK INTERNATIONAL, INC
11907-5L11-159563REID PRODUCTS INC.
HT4024L5-1173197HI-SHEAR CORPORATION
HT4024L5-11-106950HOWMET GLOBAL FASTENING SYSTEMS INC
HT4024L5-11-10PTK6SPS TECHNOLOGIES INC
HT4024L5-11-117446HUCK INTERNATIONAL, INC
HT4024L5-11-160516WEST COAST AEROSPACE, INC.
HT4024L5-1180539SPS TECHNOLOGIES, LLC
HT4024L5-1192215HOWMET GLOBAL FASTENING SYSTEMS INC
HT4024L5-1197928HUCK INTL INC
HT4024L5-11C4293ALCOA FASTENING SYSTEMS FAIRCHILDFASTENERS EUROPE - VSD GMBH
ST3M455L5-1158898PLASTIC SEALING CORP
ST3M455-5L11-158998FASTENER INNOVATION TECHNOLOGY, INC.
WC4024L5-1160516WEST COAST AEROSPACE, INC.
HT4024L5-11-173197HI-SHEAR CORPORATION
ST3M455-5L11-176301THE BOEING COMPANY
ST3M455-5L1176301THE BOEING COMPANY
HT4024L5-11-180539SPS TECHNOLOGIES, LLC
HT4024L5-11-192215HOWMET GLOBAL FASTENING SYSTEMS INC
HT4024L5-11-197928HUCK INTL INC
HT4024L5-11-1K5673SPS TECHNOLOGIES LTD TJ BROOKS DIVISION
HT4024L5-11-1L4528LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC
HT4024L5-11-1R1120SATAIR A/S


Techincal Specification:
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
FASTENER LENGTH1.204 INCHES MINIMUM AND 1.234 INCHES MAXIMUM
GRIP LENGTH0.678 INCHES MINIMUM AND 0.698 INCHES MAXIMUM
GRIP DIAMETER0.3115 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM
HEAD DIAMETER0.429 INCHES MINIMUM AND 0.477 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
SURFACE TREATMENTPASSIVATE OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS3A
THREAD LENGTH0.506 INCHES MINIMUM AND 0.556 INCHES MAXIMUM
THREAD SERIES DESIGNATORUNJF
THREAD QUANTITY PER INCH24


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