5325-01-616-3894 INSERT,SCREW THREAD 7643-01-616-7003 TOPOGRAPHIC GEOSPATIAL PRODUCTS

National Stock Number:
5306-01-616-3192

Federal Supply Class:
5306

National Item Identification Number:
016163192

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:
673661753711NAVAL SEA SYSTEMS COMMAND
6736617-105606GENERAL DYNAMICS-OTS, INC.
6736617-153711NAVAL SEA SYSTEMS COMMAND


Techincal Specification:
EXTENDED WASHER DIAMETER0.340 INCHES MINIMUM AND 0.350 INCHES MAXIMUM
EXTENDED WASHER THICKNESS0.045 INCHES MINIMUM AND 0.065 INCHES MAXIMUM
FASTENER LENGTH0.815 INCHES NOMINAL
FEATURES PROVIDEDDRY FILM LUBRICANT
GRIP LENGTH0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM
GRIP DIAMETER0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM
HARDNESS RATING39.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT0.255 INCHES MINIMUM AND 0.275 INCHES MAXIMUM
HEAD STYLEDOUBLE HEXAGON EXTENDED WASHER
PART NAME ASSIGNED BY CONTROLLING AGENCYBOLT,MACHINE
MATERIAL DOCUMENT AND CLASSIFICATIONAMS6382 NATIONAL STD/SPEC 1ST MATERIAL RESPONSE OR AMS-S-5000 OR AMS6484 NATIONAL STD/SPEC 2ND MATERIAL RESPONSE OR AMS6415 NATIONAL STD/SPEC 3RD MATERIAL RESPONSE OR AMS6322 OR 6150 NATIONAL STD/SPEC 4TH MATERIAL RESPONSE OR AMS6448 NATIONAL STD/SPEC 5TH MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 4140 OR STEEL COMP E4340 OR STEEL COMP 4340 OR STEEL COMP 8740 OR STEEL COMP 6150 OVERALL
MINIMUM TENSILE STRENGTH180000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.1900 INCHES
SPECIAL FEATURESITEM IS ALTERED FROM MS21250-03006 WITH DRY FILM LUBRICANT 5191127 APPLIED TO ALL SURFACES EXCEPT OMIT FROM THREADS;SURFACE ROUGHNESS IS 32 MICROINCHES ON SHANK AND BEARING SURFACE OF HEAD,ALL OTHER SURFACES ARE 125 MICROINCHES
SPECIFICATION/STANDARD DATA80205-NAS-21250 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
WIDTH BETWEEN FLATS0.2500 INCHES NOMINAL
SURFACE FINISH32.0 MICROINCHES BEARING SURFACE OF HEAD
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE II,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.420 INCHES MINIMUM
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT FINE (UNJF)
THREAD QUANTITY PER INCH32


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