5305-01-136-6121 SCREW,CLOSE TOLERANCE Index 5305-01-136-6123 SCREW,CLOSE TOLERANCE

National Stock Number:
5305-01-136-6122

Federal Supply Class:
5305

National Item Identification Number:
011366122

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:
10115385A486GNIMIKKEISTOKESKUS NCB FINLAND
110179-5-15AS80539SPS TECHNOLOGIES, LLC
BM33024V5-15U17446HUCK INTERNATIONAL, INC
HT271A5-1573197HI-SHEAR CORPORATION
BM33024V5-15U97928HUCK INTL INC
110179-5-15ASK5673SPS TECHNOLOGIES LTD TJ BROOKS DIVISION
ST3M430V5-15AS007R1TWIST TITE MFG, INC
HT8137-5-15AS06950HOWMET GLOBAL FASTENING SYSTEMS INC
ST3M430V5-15AS56878SPS TECHNOLOGIES, LLC
ST3M430V5-15AS58998FASTENER INNOVATION TECHNOLOGY, INC.
ST3M430V5-15AS76301THE BOEING COMPANY
ST3M430V5-15AS92215HOWMET GLOBAL FASTENING SYSTEMS INC
HT8137-5-15AS92215HOWMET GLOBAL FASTENING SYSTEMS INC
HT271A5-15L4528LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC
WC8137-5-15A60516WEST COAST AEROSPACE, INC.


Techincal Specification:
COUNTERSINK ANGLE100.0 DEGREES NOMINAL
FASTENER LENGTH1.453 INCHES MINIMUM AND 1.500 INCHES MAXIMUM
GRIP DIAMETER0.3115 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM
GRIP LENGTH0.928 INCHES MINIMUM AND 0.948 INCHES MAXIMUM
HEAD HEIGHT0.088 INCHES MINIMUM AND 0.090 INCHES MAXIMUM
HEAD DIAMETER0.629 INCHES MINIMUM AND 0.634 INCHES MAXIMUM
HEAD STYLEFLAT COUNTERSUNK UNDERCUT
INTERNAL DRIVE STYLEHIGH-TORQUE
MATERIAL DOCUMENT AND CLASSIFICATIONNAS621 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALTITANIUM ALLOY OVERALL
NOMINAL THREAD DIAMETER0.312 INCHES
SPECIAL FEATURESFURNISH WITH ONE O RING
SURFACE FINISH32.0 MICROINCHES GRIP
SURFACE FINISH32.0 MICROINCHES THREADS
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.505 INCHES MINIMUM AND 0.572 INCHES MAXIMUM
THREAD SERIES DESIGNATORUNJF
THREAD QUANTITY PER INCH24


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