5306-01-331-5799 BOLT,CLOSE TOLERANCE Index 5306-01-331-5801 BOLT,CLOSE TOLERANCE

National Stock Number:
5306-01-331-5800

Federal Supply Class:
5306

National Item Identification Number:
013315800

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:
11701A06U01359563REID PRODUCTS INC.
68485-6A01356878SPS TECHNOLOGIES, LLC
AIC2264A06U01306725SPS TECHNOLOGIES, LLC
BM3210-6A01317446HUCK INTERNATIONAL, INC
PBF1042A6U01327624SPS TECHNOLOGIES LLC
BM3210-6A01397928HUCK INTL INC
VAL23602-6D01306710VALLEY-TODECO, INC.
VS2979A06U01392215HOWMET GLOBAL FASTENING SYSTEMS INC
STSBG001A06U01398897LOCKHEED MARTIN CORP


Techincal Specification:
FASTENER LENGTH1.215 INCHES MINIMUM AND 1.262 INCHES MAXIMUM
FEATURES PROVIDEDCETYL ALCOHOL LUBRICANT
GRIP DIAMETER0.3735 INCHES MINIMUM AND 0.3745 INCHES MAXIMUM
GRIP LENGTH0.812 INCHES NOMINAL
HEAD HEIGHT0.210 INCHES NOMINAL
HEAD STYLEDOUBLE HEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONSTSBS001,CAGEC 98897 MFR REF SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP H11 OVERALL
PROPRIETARY CHARACTERISTICSPACS
NOMINAL THREAD DIAMETER0.375 INCHES
WIDTH BETWEEN FLATS0.553 INCHES MINIMUM AND 0.564 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONSTSBS001,CAGEC 98897 MFR REF SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCHROMATE OVERALL AND NICKEL OVERALL AND CADMIUM OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.419 INCHES NOMINAL
THREAD QUANTITY PER INCH24
THREAD SERIES DESIGNATORUNJF


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