5305-01-266-8395 SCREW,CLOSE TOLERANCE Index 5305-01-266-8397 SCREW,CLOSE TOLERANCE

National Stock Number:
5305-01-266-8396

Federal Supply Class:
5305

National Item Identification Number:
012668396

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:
11907-3LD-25-159563REID PRODUCTS INC.
HT4024L3D25-103950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
HT4024L3D25-106950HOWMET GLOBAL FASTENING SYSTEMS INC
HT4024L3D25-117446HUCK INTERNATIONAL, INC
HT4024L3D25-173197HI-SHEAR CORPORATION
HT4024L3D25-180539SPS TECHNOLOGIES, LLC
HT4024L3D25-192215HOWMET GLOBAL FASTENING SYSTEMS INC
HT4024L3D25-197928HUCK INTL INC
HT4024L3D25-1L4528LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC
ST3M455-3LD-25-176301THE BOEING COMPANY
ST3M557-3D2556878SPS TECHNOLOGIES, LLC
ST3M557-3D2558998FASTENER INNOVATION TECHNOLOGY, INC.


Techincal Specification:
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER1.832 INCHES MINIMUM AND 1.872 INCHES MAXIMUM FIRST HOLE
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
FASTENER LENGTH1.953 INCHES MINIMUM AND 1.983 INCHES MAXIMUM
GRIP DIAMETER0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM
GRIP LENGTH1.552 INCHES MINIMUM AND 1.572 INCHES MAXIMUM
HEAD DIAMETER0.297 INCHES MINIMUM AND 0.302 INCHES MAXIMUM
HEAD HEIGHT0.013 INCHES MAXIMUM
HEAD STYLEFILLISTER 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 DIAMETER0.190 INCHES
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
SHANK UNTHREADED HOLE DIAMETER0.070 INCHES MINIMUM AND 0.075 INCHES MAXIMUM FIRST HOLE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.381 INCHES MINIMUM AND 0.431 INCHES MAXIMUM
THREAD QUANTITY PER INCH32
THREAD SERIES DESIGNATORUNJF


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