8430-01-619-3138 BOOTS,COLD WEATHER 2090-01-617-3022 UK-KIT-8401

National Stock Number:
5306-01-617-0035

Federal Supply Class:
5306

National Item Identification Number:
016170035

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:
MS21250-1404580205NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE


Techincal Specification:
THREAD SERIES DESIGNATORUNJF
NOMINAL THREAD DIAMETER0.8750 INCHES
THREAD QUANTITY PER INCH14
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH1.244 INCHES MINIMUM
FASTENER LENGTH4.0565 INCHES NOMINAL
MATERIALSTEEL COMP 4140 OR
STEEL COMP E4340 OR
STEEL COMP 4340 OR
STEEL COMP 8740 OR
STEEL COMP 6150 OVERALL
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 NATIONAL STD/SPEC 4TH MATERIAL RESPONSE OR
AMS6448 NATIONAL STD/SPEC 5TH MATERIAL RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE II,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING39.0 ROCKWELL C MINIMUM AND
43.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH180000 POUNDS PER SQUARE INCH
HEAD STYLEDOUBLE HEXAGON EXTENDED WASHER
HEAD HEIGHT0.808 INCHES NOMINAL
WIDTH BETWEEN FLATS0.9375 INCHES NOMINAL
EXTENDED WASHER DIAMETER1.428 INCHES MINIMUM AND
1.438 INCHES MAXIMUM
EXTENDED WASHER THICKNESS0.198 INCHES NOMINAL
GRIP LENGTH2.8025 INCHES MINIMUM AND
2.8225 INCHES MAXIMUM
GRIP DIAMETER0.8730 INCHES MINIMUM AND
0.8740 INCHES MAXIMUM
SURFACE FINISH32.0 MICROINCHES BEARING SURFACE OF HEAD
32.0 MICROINCHES GRIP
SPECIFICATION/STANDARD DATA80205-NASM21250 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
PART NAME ASSIGNED BY CONTROLLING AGENCYBOLT,TENSION,STEEL,EXTERNAL WRENCHING,FLANGED,12-POINT,180 KSI FTU,450 DEG F


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