5305-00-508-3070 SCREW,CLOSE TOLERANCE Index 3110-00-508-3072 BEARING,ROLLER,ROD END

National Stock Number:
5305-00-508-3071

Federal Supply Class:
5305

National Item Identification Number:
005083071

Description:
SCREW,CLOSE TOLERANCE

Detail:
A SCREW, MACHINE or SCREW, CAP, SOCKET HEAD whose unthreaded portion is of specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001 IN.) (0.025 mm) or less of a specific diameter for items (1.000 IN.) (25 mm) or less in diameter. Items over (1.000 IN.) (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015 IN.) (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001 IN.) (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 designed to be held or driven with an inserted driver. It is not designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads.


Manufacturer Information:
LS15265V5-1106710VALLEY-TODECO, INC.
LS15265V5-1106725SPS TECHNOLOGIES, LLC
LS15265V5-1106950HOWMET GLOBAL FASTENING SYSTEMS INC
LS15265V5-1117446HUCK INTERNATIONAL, INC
LS15265V5-1127624SPS TECHNOLOGIES LLC
LS15265V5-1156878SPS TECHNOLOGIES, LLC
LS15265V5-1192215HOWMET GLOBAL FASTENING SYSTEMS INC
LS15265V5-1197907TEREX CORP
LS15265V5-1197928HUCK INTL INC
LS15265V5-1198897LOCKHEED MARTIN CORP


Techincal Specification:
FASTENER LENGTH1.048 INCHES MINIMUM AND 1.078 INCHES MAXIMUM
GRIP DIAMETER0.3110 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM
GRIP LENGTH0.678 INCHES MINIMUM AND 0.698 INCHES MAXIMUM
HEAD DIAMETER0.594 INCHES MINIMUM AND 0.615 INCHES MAXIMUM
HEAD HEIGHT0.203 INCHES MINIMUM AND 0.218 INCHES MAXIMUM
HEAD STYLEPAN
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
MATERIAL DOCUMENT AND CLASSIFICATIONNAS621,COMP 6AL-4V ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALTITANIUM ALLOY UNS R54520 OVERALL
MINIMUM TENSILE STRENGTH160000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.312 INCHES
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS3A
THREAD LENGTH0.350 INCHES MINIMUM AND 0.400 INCHES MAXIMUM
THREAD QUANTITY PER INCH24
THREAD SERIES DESIGNATORUNJF


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