2540-01-600-4266 BAR,GUIDE,VEHICULAR SEAT 5340-01-600-4268 BRACKET,MOUNTING

National Stock Number:
5306-01-600-4267

Federal Supply Class:
5306

National Item Identification Number:
016004267

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:
11857E4D8AL59536MACJEWEL TOOL DEVELOPMENT INC
3M1275E4D8AL06710VALLEY-TODECO, INC.
3M1275E4D8AL0K6Z0SATURN FASTENERS INC
3M1275E4D8AL0ZC92HEARTLAND PRECISION FASTENERS INC
3M1275E4D8AL1EM77B & B SPECIALTIES INC
3M1275E4D8AL1VSL7HOUSTON PRECISION FASTENERS I LP
TX1026E4D8XAL06725SPS TECHNOLOGIES, LLC
TX1026E4D8XAL06950HOWMET GLOBAL FASTENING SYSTEMS INC
TX1026E4D8XAL17446HUCK INTERNATIONAL, INC
TX1026E4D8XAL27624SPS TECHNOLOGIES LLC
3M1275E4D8AL4WL75CAMCAR LLC DIV CAMCAR LLC
3M1275E4D8AL58998FASTENER INNOVATION TECHNOLOGY, INC.
3M1275E4D8AL59536MACJEWEL TOOL DEVELOPMENT INC
3M1275E4D8AL76301THE BOEING COMPANY
TX1026E4D8XAL56878SPS TECHNOLOGIES, LLC
WC1275E4D8AL60516WEST COAST AEROSPACE, INC.
TX1026E4D8XAL73197HI-SHEAR CORPORATION
TX1026E4D8XAL80539SPS TECHNOLOGIES, LLC
TX1026E4D8XAL92215HOWMET GLOBAL FASTENING SYSTEMS INC
TX1026E4D8XALU6683LINREAD LTD DBA LINREAD NORTHBRIDGE


Techincal Specification:
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
FASTENER LENGTH0.925 INCHES NOMINAL
GRIP LENGTH0.500 INCHES NOMINAL
GRIP DIAMETER0.2646 INCHES MINIMUM AND 0.2651 INCHES MAXIMUM
HEAD DIAMETER0.4970 INCHES MINIMUM AND 0.5066 INCHES MAXIMUM
HEAD STYLEFLAT COUNTERSUNK
MATERIAL DOCUMENT AND CLASSIFICATIONAMS-5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
MATERIALNICKEL ALLOY 718 OVERALL
MINIMUM TENSILE STRENGTH125000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.250 INCHES
SPECIAL FEATURESSURFACE:DRY FILM COATING
THREAD CLASSUNJF-3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.425 INCHES NOMINAL
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT FINE (UNJF)
THREAD QUANTITY PER INCH28


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