4920-01-626-2757 FIXTURE,AIRCRAFT MAINTENANCE 1310-01-625-9475 SUPPORT,PROJECTILE BURSTER

National Stock Number:
5306-01-625-8018

Federal Supply Class:
5306

National Item Identification Number:
016258018

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:
NAS1581F6T2480205NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE


Techincal Specification:
THREAD SERIES DESIGNATORUNJF
NOMINAL THREAD DIAMETER0.3750 INCHES
THREAD QUANTITY PER INCH24
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.594 INCHES NOMINAL
FASTENER LENGTH2.079 INCHES MINIMUM AND
2.109 INCHES MAXIMUM
MATERIALSTEEL COMP 4140 OR
STEEL COMP 4340 OR
STEEL COMP 8740 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS6382 ASSN STD 1ST MATERIAL RESPONSE OR
AMS6415 ASSN STD 2ND MATERIAL RESPONSE OR
AMS6484 ASSN STD 2ND MATERIAL RESPONSE OR
AMS6322 ASSN STD 3RD MATERIAL RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS-QQ-P-416, TYPE 2, CLASS 2 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
MINIMUM TENSILE STRENGTH160000 POUNDS PER SQUARE INCH
HEAD STYLEFLAT COUNTERSUNK
HEAD DIAMETER0.5662 INCHES NOMINAL
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND
101.0 DEGREES MAXIMUM
GRIP LENGTH1.500 INCHES NOMINAL
GRIP DIAMETER0.3735 INCHES MINIMUM AND
0.3745 INCHES MAXIMUM
PART NAME ASSIGNED BY CONTROLLING AGENCYBOLT, SHEAR


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