5305-01-047-0481 SCREW,SHOULDER Index 5305-01-047-0483 SCREW,SHOULDER

National Stock Number:
5305-01-047-0482

Federal Supply Class:
5305

National Item Identification Number:
010470482

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:
HT4011-6-1306950HOWMET GLOBAL FASTENING SYSTEMS INC
HT4011-6-1317446HUCK INTERNATIONAL, INC
HT4011-6-1356878SPS TECHNOLOGIES, LLC
HT4011-6-1373197HI-SHEAR CORPORATION
HT4011-6-1380539SPS TECHNOLOGIES, LLC
HT4011-6-1392215HOWMET GLOBAL FASTENING SYSTEMS INC
ST3M506-6-1376301THE BOEING COMPANY
ST3M506-6-1392215HOWMET GLOBAL FASTENING SYSTEMS INC
HT4011-6-1397928HUCK INTL INC


Techincal Specification:
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
FASTENER LENGTH1.312 INCHES MINIMUM AND 1.343 INCHES MAXIMUM
GRIP LENGTH0.802 INCHES MINIMUM AND 0.822 INCHES MAXIMUM
GRIP DIAMETER0.4062 INCHES MINIMUM AND 0.4067 INCHES MAXIMUM
HEAD DIAMETER0.542 INCHES MINIMUM AND 0.596 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 FINISH32.0 MICROINCHES GRIP
SURFACE FINISH32.0 MICROINCHES THREADS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS3A
THREAD LENGTH0.516 INCHES NOMINAL
THREAD SERIES DESIGNATORUNJF
THREAD QUANTITY PER INCH24


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