5305-01-236-1679 SCREW,CLOSE TOLERANCE Index 5305-01-236-1681 SCREW ASSEMBLY,PANEL

National Stock Number:
5305-01-236-1680

Federal Supply Class:
5305

National Item Identification Number:
012361680

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:
11905-6L1159563REID PRODUCTS INC.
HT4025L6-1106950HOWMET GLOBAL FASTENING SYSTEMS INC
HT4025L6-1117446HUCK INTERNATIONAL, INC
HT4025L6-1173197HI-SHEAR CORPORATION
HT4025L6-1180539SPS TECHNOLOGIES, LLC
HT4025L6-1192215HOWMET GLOBAL FASTENING SYSTEMS INC
HT4025L6-1197928HUCK INTL INC
HT4025L6-11L4528LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC
ST3M454-6L1176301THE BOEING COMPANY
ST3M454-6L1192215HOWMET GLOBAL FASTENING SYSTEMS INC


Techincal Specification:
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
FASTENER LENGTH1.312 INCHES MINIMUM AND 1.342 INCHES MAXIMUM
GRIP DIAMETER0.3740 INCHES MINIMUM AND 0.3745 INCHES MAXIMUM
GRIP LENGTH0.678 INCHES MINIMUM AND 0.698 INCHES MAXIMUM
HEAD DIAMETER0.752 INCHES MINIMUM AND 0.762 INCHES MAXIMUM
HEAD STYLEFLAT COUNTERSUNK
INTERNAL DRIVE STYLEHIGH-TORQUE
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP XM-13 OVERALL
MINIMUM TENSILE STRENGTH125000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.375 INCHES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.614 INCHES MINIMUM AND 0.664 INCHES MAXIMUM
THREAD QUANTITY PER INCH24
THREAD SERIES DESIGNATORUNJF


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