5305-01-309-8542 SETSCREW Index 5306-01-309-8544 BOLT,SHEAR

National Stock Number:
5306-01-309-8543

Federal Supply Class:
5306

National Item Identification Number:
013098543

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:
74597-M2015-13080539SPS TECHNOLOGIES, LLC
BACB30SX20-13017943FEDERAL MANUFACTURING CORP
SPS-M2015-13056878SPS TECHNOLOGIES, LLC
VS3078-20-13092215HOWMET GLOBAL FASTENING SYSTEMS INC
BACB30SX20-130D9182ZF INDUSTRIEANTRIEBE WITTEN GMBH


Techincal Specification:
EXTERNAL THREAD TOLERANCE CLASS4H
FASTENER LENGTH163.75 MILLIMETERS MINIMUM AND 164.25 MILLIMETERS MAXIMUM
GRIP DIAMETER19.979 MILLIMETERS MINIMUM AND 20.000 MILLIMETERS MAXIMUM
GRIP LENGTH129.75 MILLIMETERS MINIMUM AND 130.25 MILLIMETERS MAXIMUM
HEAD HEIGHT12.78 MILLIMETERS MINIMUM AND 13.22 MILLIMETERS MAXIMUM
HEAD STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5735 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5732 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALIRON ALLOY 660 OVERALL
MINIMUM TENSILE STRENGTH1100 MEGAPASCALS
NOMINAL THREAD DIAMETER20.0 MILLIMETERS
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
WIDTH BETWEEN FLATS29.67 MILLIMETERS MINIMUM AND 30.00 MILLIMETERS MAXIMUM
SURFACE FINISH3.2 MICROMETERS BEARING SURFACE OF HEAD
SURFACE FINISH3.2 MICROMETERS GRIP
SURFACE FINISH3.2 MICROMETERS THREADS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH33.75 MILLIMETERS MINIMUM AND 34.25 MILLIMETERS MAXIMUM
THREAD SERIES DESIGNATORM
THREAD PITCH IN MILLIMETERS1.5


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