5305-01-258-8495 SCREW,SHOULDER Index 5305-01-258-8497 SCREW,CLOSE TOLERANCE

National Stock Number:
5306-01-258-8496

Federal Supply Class:
5306

National Item Identification Number:
012588496

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:
109453-12D3256878SPS TECHNOLOGIES, LLC
109453-12D3280539SPS TECHNOLOGIES, LLC
AIC753-12D3206725SPS TECHNOLOGIES, LLC
BM17019-12D3217446HUCK INTERNATIONAL, INC
11825-12D3259563REID PRODUCTS INC.
BM17019-12D3297928HUCK INTL INC
GS1016-12D321EM77B & B SPECIALTIES INC
PBF1253-12D3227624SPS TECHNOLOGIES LLC
S11-1060-12D3257928SONIC INDUSTRIES, INC.
MA5453-12D3258845ABOUNDING SECURITY INC DIV OF MAA CORP
FIT7047-12D3258998FASTENER INNOVATION TECHNOLOGY, INC.
KS3020-12D3259764KENALOY PRODUCTS INC SUB MASCO CORP
MB61-12D3273197HI-SHEAR CORPORATION
MB61-12D32L4528LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC
VAL23029-12D3206710VALLEY-TODECO, INC.
VS3204-12D3206950HOWMET GLOBAL FASTENING SYSTEMS INC
ST3M453-12D320K6Z0SATURN FASTENERS INC
ST3M453-12D320ZC92HEARTLAND PRECISION FASTENERS INC
SLB252-12D3216258SPACE-LOK, INC.
S353-12D3217446HUCK INTERNATIONAL, INC
ST3M453-12D321VSL7HOUSTON PRECISION FASTENERS I LP
ST3M453-12D3256998MORGEN INDUSTRIES INC
ST3M453-12D3259764KENALOY PRODUCTS INC SUB MASCO CORP
WC464-12D3260516WEST COAST AEROSPACE, INC.
ST3M453-12D3276301THE BOEING COMPANY
VS3204-12D3292215HOWMET GLOBAL FASTENING SYSTEMS INC
S353-12D3297928HUCK INTL INC


Techincal Specification:
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER2.760 INCHES MINIMUM AND 2.817 INCHES MAXIMUM FIRST HOLE
FASTENER LENGTH2.898 INCHES MINIMUM AND 2.945 INCHES MAXIMUM
GRIP DIAMETER0.7485 INCHES MINIMUM AND 0.7490 INCHES MAXIMUM
GRIP LENGTH1.990 INCHES MINIMUM AND 2.010 INCHES MAXIMUM
HEAD HEIGHT0.390 INCHES MINIMUM AND 0.410 INCHES MAXIMUM
HEAD STYLEDOUBLE HEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONAMS5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP XM-13 OVERALL
MINIMUM TENSILE STRENGTH125000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.750 INCHES
SHANK UNTHREADED HOLE DIAMETER0.141 INCHES MINIMUM AND 0.146 INCHES MAXIMUM FIRST HOLE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.888 INCHES MINIMUM AND 0.955 INCHES MAXIMUM
THREAD QUANTITY PER INCH16
THREAD SERIES DESIGNATORUNJF
WIDTH BETWEEN FLATS1.064 INCHES MAXIMUM


Click here to Register for Free 30-day Trial