5305-01-526-3914 SCREW,CAP,SOCKET HEAD Index 1560-01-526-3916 HINGE ASSEMBLY,AIRC

National Stock Number:
5306-01-526-3915

Federal Supply Class:
5306

National Item Identification Number:
015263915

Description:
BOLT,CLOSE TOLERANCE

Detail:
An externally threaded fastener whose unthreaded portion is of a specified 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. 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. A locking feature may be incorporated in the design of the head or threads. For items having close tolerance, and fabricated from material having 160,000 pounds per square inch (1100 megapascals) minimum tensile strength, see BOLT, SHEAR. For items fabricated from material having less than 160,000 pounds per square inch (1100 megapascals) minimum tensile strength and not having a close tolerance, see BOLT, MACHINE.


Manufacturer Information:
11829L5-2459563REID PRODUCTS INC.
122897L5-240PTK6SPS TECHNOLOGIES INC
122897L5-2456878SPS TECHNOLOGIES, LLC
122897L5-2480539SPS TECHNOLOGIES, LLC
AIC763L5-2406725SPS TECHNOLOGIES, LLC
GS1032-L5-241EM77B & B SPECIALTIES INC
HP7753L5-240ZC92HEARTLAND PRECISION FASTENERS INC
MB156L5-2473197HI-SHEAR CORPORATION
PBF1267L5-2027624SPS TECHNOLOGIES LLC
S343L5-2417446HUCK INTERNATIONAL, INC
SLB255-L5-2416258SPACE-LOK, INC.
ST3M753L5-2406725SPS TECHNOLOGIES, LLC
ST3M753L5-241VSL7HOUSTON PRECISION FASTENERS I LP
ST3M753L5-2458998FASTENER INNOVATION TECHNOLOGY, INC.
ST3M753L5-2476301THE BOEING COMPANY
VFK600L5-2406710VALLEY-TODECO, INC.
VS3190L5-2406950HOWMET GLOBAL FASTENING SYSTEMS INC


Techincal Specification:
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER1.853 INCHES NOMINAL FIRST HOLE
EXTENDED WASHER DIAMETER0.575 INCHES MINIMUM AND 0.585 INCHES MAXIMUM
EXTENDED WASHER THICKNESS0.045 INCHES NOMINAL
FASTENER LENGTH2.051 INCHES NOMINAL
GRIP DIAMETER0.311 INCHES NOMINAL
GRIP LENGTH1.500 INCHES NOMINAL
HEAD HEIGHT0.312 INCHES NOMINAL
HEAD MINOR DIAMETER0.360 INCHES MINIMUM AND 0.375 INCHES MAXIMUM
HEAD STYLESPLINE EXTENDED WASHER
MATERIALSTEEL COMP XM-13 OVERALL
NOMINAL THREAD DIAMETER0.313 INCHES
SHANK UNTHREADED HOLE DIAMETER0.076 INCHES MINIMUM AND 0.081 INCHES MAXIMUM FIRST HOLE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION18021 MFR REF SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTLUBRICANT OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.551 INCHES NOMINAL
THREAD SERIES DESIGNATORUNJF
THREAD QUANTITY PER INCH24


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