5306-01-290-2697 BOLT,INTERNALLY RELIEVED BODY Index 5305-01-290-2699 SCREW,CAP,SOCKET HEAD

National Stock Number:
5306-01-290-2698

Federal Supply Class:
5306

National Item Identification Number:
012902698

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:
NAS6604D4380205NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE


Techincal Specification:
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER2.924 INCHES MINIMUM AND 2.944 INCHES MAXIMUM FIRST HOLE
FASTENER LENGTH3.097 INCHES MINIMUM AND 3.125 INCHES MAXIMUM
FEATURES PROVIDEDFINISHED HEAD
GRIP DIAMETER0.248 INCHES MINIMUM AND 0.250 INCHES MAXIMUM
GRIP LENGTH2.678 INCHES MINIMUM AND 2.698 INCHES MAXIMUM
HARDNESS RATING36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT0.125 INCHES MINIMUM AND 0.140 INCHES MAXIMUM
HEAD STYLEDISHED HEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5000,G43400 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 2ND MATERIAL RESPONSE OR AMS 6322,G87400 ASSN STD 2ND MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 4340 OR STEEL COMP 8740 OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES
SHANK UNTHREADED HOLE DIAMETER0.076 INCHES MINIMUM AND 0.086 INCHES MAXIMUM FIRST HOLE
SPECIFICATION/STANDARD DATA80205-NAS6604 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
WIDTH BETWEEN FLATS0.429 INCHES MINIMUM AND 0.439 INCHES MAXIMUM
SUPPLEMENTARY FEATURESINTMD LG SPEC/-42 P 0.062 IN./
SURFACE FINISH125.0 MICROINCHES FIRST HOLE
SURFACE FINISH125.0 MICROINCHES GRIP
SURFACE FINISH125.0 MICROINCHES TOP OF HEAD
SURFACE FINISH125.0 MICROINCHES SIDES OF HEAD
SURFACE FINISH32.0 MICROINCHES BEARING SURFACE OF HEAD
SURFACE FINISH32.0 MICROINCHES THREADS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE 2,CLASS 2 FED SPEC ALL TREATMENT RESPONSES OVERALL
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.425 INCHES NOMINAL
THREAD QUANTITY PER INCH28
THREAD SERIES DESIGNATORUNJF


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