5305-00-943-5294 SETSCREW Index 5340-00-943-5296 STANDOFF,THREADED,SPACING

National Stock Number:
5305-00-943-5295

Federal Supply Class:
5305

National Item Identification Number:
009435295

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:
1647127-198889AEROCONTROLEX GROUP, INC.
NAS1123-604348LAWRENCE ENGINEERING AND SUPPLY INC
NAS1123-607851NOR-CAL SUPPLY CO
NAS1123-608938AIR INDUSTRIES CO INC
NAS1123-617446HUCK INTERNATIONAL, INC
NAS1123-630485QUALIFIED AIR COMPONENTS INC.
NAS1123-630902F AND C SALES INC
NAS1123-650568APCOM INC
NAS1123-653606PLASTIC AND METAL PRODUCTS CORPORATION
NAS1123-656878SPS TECHNOLOGIES, LLC
NAS1123-658998FASTENER INNOVATION TECHNOLOGY, INC.
NAS1123-673197HI-SHEAR CORPORATION
NAS1123-680205NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE
NAS1123-680539SPS TECHNOLOGIES, LLC
NAS1123-692215HOWMET GLOBAL FASTENING SYSTEMS INC
NAS1123-697928HUCK INTL INC
NAS1123-6L4528LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC


Techincal Specification:
FASTENER LENGTH0.636 INCHES MINIMUM AND 0.666 INCHES MAXIMUM
GRIP DIAMETER0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM
GRIP LENGTH0.375 INCHES NOMINAL
HARDNESS RATING36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL
HEAD DIAMETER0.296 INCHES MINIMUM AND 0.313 INCHES MAXIMUM
HEAD HEIGHT0.103 INCHES MINIMUM AND 0.118 INCHES MAXIMUM
HEAD STYLEFLAT CHAMFER
INTERNAL DRIVE STYLEOFFSET CRUCIFORM (TORQUE SET)
MATERIALSTEEL COMP E4340 OR STEEL COMP 4140 OR STEEL COMP 8740 OR STEEL COMP 8735 OR STEEL COMP 6150 OVERALL
MINIMUM TENSILE STRENGTH160000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.190 INCHES
SPECIFICATION/STANDARD DATA80205-NAS1123 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
SURFACE FINISH32.0 MICROINCHES BEARING SURFACE OF HEAD
SURFACE FINISH32.0 MICROINCHES GRIP
SURFACE FINISH32.0 MICROINCHES THREADS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS3A
THREAD LENGTH0.276 INCHES MINIMUM
THREAD SERIES DESIGNATORUNJF
THREAD QUANTITY PER INCH32


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