5305-01-091-6904 SCREW,MACHINE Index 5305-01-091-6906 SCREW,SHOULDER

National Stock Number:
5306-01-091-6905

Federal Supply Class:
5306

National Item Identification Number:
010916905

Description:
BOLT,SHEAR

Detail:
A high strength, 160,000 pounds per square inch (1100 megapascals) minimum tensile strength externally threaded fastener designed for use in applications involving great shear stress. The head is designed to accommodate an external wrench or driver. The head is not designed to be held or driven with an inserted driver, nor is it designed for rotation by the thumb and fingers. The unthreaded portion is of specific grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001) of an inch (0.025 mm) or less of a specific diameter for items one inch (25 mm) or less in diameter. Items over one inch (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015) of an inch (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001) of an inch (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. A locking feature may be incorporated in the design of the head or threads. See BOLT, MACHINE and BOLT, CLEVIS.


Manufacturer Information:
MS14163-0902496906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-8837 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING46.0 ROCKWELL C MINIMUM AND
50.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH220000 POUNDS PER SQUARE INCH
HEAD STYLESPLINE EXTENDED WASHER
HEAD HEIGHT0.495 INCHES MINIMUM AND
0.515 INCHES MAXIMUM
WIDTH BETWEEN FLATS0.711 INCHES MINIMUM AND
0.717 INCHES MAXIMUM
EXTENDED WASHER DIAMETER0.928 INCHES MINIMUM AND
0.938 INCHES MAXIMUM
EXTENDED WASHER THICKNESS0.102 INCHES MINIMUM AND
0.122 INCHES MAXIMUM
GRIP LENGTH1.490 INCHES MINIMUM AND
1.510 INCHES MAXIMUM
GRIP DIAMETER0.5605 INCHES MINIMUM AND
0.5615 INCHES MAXIMUM
SURFACE FINISH32.0 MICROINCHES BEARING SURFACE OF HEAD
32.0 MICROINCHES GRIP
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE96906
DEFINITIVE GOVERNMENT SPEC/STD REFERENCEMS14163-09024
THREAD SERIES DESIGNATORUNJF
NOMINAL THREAD DIAMETER0.562 INCHES
THREAD QUANTITY PER INCH18
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH1.000 INCHES MINIMUM AND
1.050 INCHES MAXIMUM
FASTENER LENGTH2.510 INCHES MINIMUM AND
2.540 INCHES MAXIMUM
MATERIALSTEEL COMP H11 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6487 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTCADMIUM AND
CHROMATE OVERALL


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