5306-01-353-2740 BOLT,INTERNALLY RELIEVED BODY Index 5305-01-353-2742 SCREW,SHOULDER

National Stock Number:
5306-01-353-2741

Federal Supply Class:
5306

National Item Identification Number:
013532741

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:
NAS6204P4280205NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE


Techincal Specification:
FASTENER LENGTH2.980 INCHES MINIMUM AND 3.010 INCHES MAXIMUM
GRIP DIAMETER0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM
GRIP LENGTH2.615 INCHES MINIMUM AND 2.635 INCHES MAXIMUM
HARDNESS RATING36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM FASTENER
HEAD HEIGHT0.125 INCHES MINIMUM AND 0.140 INCHES MAXIMUM
HEAD STYLEDISHED HEXAGON
LOCKING FEATUREPATCH THREADS
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5000 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 2ND MATERIAL RESPONSE OR AMS 6322 ASSN STD 2ND MATERIAL RESPONSE FASTENER
MATERIALPLASTIC POLYAMIDE LOCKING FEATURESTEEL COMP E4340 OR STEEL COMP 8740 FASTENER
MINIMUM TENSILE STRENGTH160000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.250 INCHES
WIDTH BETWEEN FLATS0.429 INCHES MINIMUM AND 0.439 INCHES MAXIMUM
SPECIFICATION/STANDARD DATA80205-NAS6204 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
SURFACE FINISH32.0 MICROINCHES BEARING SURFACE OF HEAD32.0 MICROINCHES GRIP32.0 MICROINCHES THREADS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 TY2 CL2 FED SPEC SINGLE TREATMENT RESPONSE FASTENER
SURFACE TREATMENTCHROMATE AND CADMIUM FASTENER
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.370 INCHES NOMINAL
THREAD SERIES DESIGNATORUNJF
THREAD QUANTITY PER INCH28


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