5306-01-331-5798 BOLT,CLOSE TOLERANCE Index 5306-01-331-5800 BOLT,CLOSE TOLERANCE

National Stock Number:
5306-01-331-5799

Federal Supply Class:
5306

National Item Identification Number:
013315799

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:
11701A06U01059563REID PRODUCTS INC.
8485-6A01056876ALTA PRODUCTS CO INC
AIC2264A06U01006725SPS TECHNOLOGIES, LLC
BM3210-6A010A52517446HUCK INTERNATIONAL, INC
GS1001A06U0101EM77B & B SPECIALTIES INC
BM3210-6A01097928HUCK INTL INC
VAL23602-6D01006710VALLEY-TODECO, INC.
PBF1042A6U01027624SPS TECHNOLOGIES LLC
SII112828A06U01057928SONIC INDUSTRIES, INC.
VS2979A06U01092215HOWMET GLOBAL FASTENING SYSTEMS INC
STSBG001A06U01098897LOCKHEED MARTIN CORP


Techincal Specification:
FASTENER LENGTH1.028 INCHES MINIMUM AND 1.075 INCHES MAXIMUM
FEATURES PROVIDEDCETYL ALCOHOL LUBRICANT
GRIP LENGTH0.623 INCHES NOMINAL
GRIP DIAMETER0.3735 INCHES MINIMUM AND 0.3745 INCHES MAXIMUM
HEAD HEIGHT0.210 INCHES NOMINAL
HEAD STYLEDOUBLE HEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONSTSBS001,CAGEC 98897 MFR REF SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP H11 OVERALL
NOMINAL THREAD DIAMETER0.375 INCHES
WIDTH BETWEEN FLATS0.553 INCHES MINIMUM AND 0.564 INCHES MAXIMUM
SURFACE TREATMENTCHROMATE AND NICKEL AND CADMIUM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONSTSBS001,CAGEC 98897 MFR REF SINGLE TREATMENT RESPONSE OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS3A
THREAD LENGTH0.419 INCHES NOMINAL
THREAD SERIES DESIGNATORUNJF
THREAD QUANTITY PER INCH24


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