5305-00-492-0578 SCREW,CLOSE TOLERANCE Index 1560-00-492-0581 PAD,LAUNCH BAR

National Stock Number:
5305-00-492-0579

Federal Supply Class:
5305

National Item Identification Number:
004920579

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:
NAS1135V1404348LAWRENCE ENGINEERING AND SUPPLY INC
NAS1135V1407851NOR-CAL SUPPLY CO
NAS1135V1408938AIR INDUSTRIES CO INC
NAS1135V1417446HUCK INTERNATIONAL, INC
NAS1135V1430902F AND C SALES INC
NAS1135V1450568APCOM INC
NAS1135V1453606PLASTIC AND METAL PRODUCTS CORPORATION
NAS1135V1456878SPS TECHNOLOGIES, LLC
NAS1135V1458998FASTENER INNOVATION TECHNOLOGY, INC.
NAS1135V1473197HI-SHEAR CORPORATION
NAS1135V1480205NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE
NAS1135V1480539SPS TECHNOLOGIES, LLC
NAS1135V1492215HOWMET GLOBAL FASTENING SYSTEMS INC
NAS1135V1497928HUCK INTL INC
NAS1135V14L4528LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC


Techincal Specification:
FASTENER LENGTH1.235 INCHES MINIMUM AND 1.265 INCHES MAXIMUM
GRIP DIAMETER0.3110 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM
GRIP LENGTH0.865 INCHES MINIMUM AND 0.885 INCHES MAXIMUM
HEAD HEIGHT0.203 INCHES MINIMUM AND 0.218 INCHES MAXIMUM
HEAD DIAMETER0.594 INCHES MINIMUM AND 0.615 INCHES MAXIMUM
HEAD STYLEPAN
INTERNAL DRIVE STYLEOFFSET CRUCIFORM (TORQUE SET)
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
SPECIFICATION/STANDARD DATA80205-NAS1135 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
SURFACE FINISH32.0 MICROINCHES BEARING SURFACE OF HEAD
SURFACE FINISH32.0 MICROINCHES GRIP
SURFACE FINISH32.0 MICROINCHES THREADS
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.350 INCHES MINIMUM AND 0.400 INCHES MAXIMUM
THREAD QUANTITY PER INCH24
THREAD SERIES DESIGNATORUNJF


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